SITM

SiTime Corporation

Next est. report 2026-11-04 · AMC

Edge AI Long '26: NPU + Mobile Inference MegaTech '25: Google TPU Complex

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Overview

SiTime Corporation provides silicon-based timing solutions, including oscillators, resonators, and clocks, which serve as the precise "heartbeat" for electronic

SiTime Corporation provides silicon-based timing solutions, including oscillators, resonators, and clocks, which serve as the precise "heartbeat" for electronic systems. Following the July 2026 acquisition of Renesas' timing business, its revenue mix is approximately 67% Communications, Enterprise, and Data Center; 18% Automotive, Industrial, and Aerospace; and 14% Mobile, IoT, and Consumer. SiTime sells to global technology leaders, with a significant portion of consumer sales from one large customer.

Key Inputs And Sourcing

1. MEMS Foundry Services

component · Germany · unknown

Source Bosch is a key foundry partner, supplying over 95% of SiTime's MEMS demand and developing processes together.

Confidence: high

2. CMOS Foundry Services

component · Taiwan, USA · unknown

Source TSMC and TowerJazz are identified as foundry partners for silicon MEMS oscillator products.

Confidence: high

3. Assembly, Test, and Packaging (ATP) Services

component · Singapore, Thailand, Taiwan, China, Japan · unknown

Source UTAC is an assembly partner. Renesas provides manufacturing and test dependencies for the acquired TPD business during the transition period.

Confidence: high

4. Packaging Materials

packaging · Global · unknown

Source Used in the assembly and test process, including advanced packaging solutions like XLLGA.

Confidence: medium

5. Quartz Resonators

component · Unknown (likely Asia) · unknown

Source The acquired Renesas timing business (TPD) includes a small quartz-based oscillator business.

Confidence: medium

6. Silicon Wafers

commodity · Global (via foundries) · unknown

Source The fundamental raw material for both MEMS and CMOS processes, embedded in foundry service costs.

Confidence: medium

7. Manufacturing Labor (Partner-based)

labor · Germany, Taiwan, USA, Singapore, Thailand, China, Japan · unknown

Source Labor costs at foundry and ATP partners are a significant part of COGS.

Confidence: medium

Industry Publications

AnandTech (anandtech.com) — Provides deep technical reviews of mobile SoCs, NPUs, and AI PC platforms, relevant for SiTime's mobile, IoT, consumer, and AI infrastructure applications.
EE Times (eetimes.com) — Covers semiconductor manufacturing, design trends, and supply chain news, which are crucial for monitoring SiTime's production, innovation, and broader industry challenges.
Semiconductor Digest (semiconductor-digest.com) — Dedicated to providing global information about the design, manufacturing, packaging, and testing of semiconductors, including MEMS, directly relevant to SiTime's core business.
Chip Scale Review (chipscalereview.com) — Focuses on middle-end and back-end technologies for advanced semiconductors, important for monitoring packaging and assembly trends that impact SiTime's products and supply chain.
Data Centre Digest (datacentredigest.com) — Covers the global data center hardware ecosystem, which is highly relevant given SiTime's significant and growing Communications, Enterprise, and Data Center (CED) business, especially after the Renesas acquisition.

Economic Data Watch

1. SEMI — World Fab Forecast

Metric/field Total Fab Equipment Spending (Billion USD)

Cadence quarterly

Why it matters Directly indicates investment in semiconductor manufacturing capacity, impacting supply and demand for SiTime's components.

Signal to watch Increasing spending = Bullish.

Confidence: high

2. Gartner — Forecast: Enterprise IT Spending, Worldwide

Metric/field Data Center Systems Spending (Billion USD)

Cadence quarterly

Why it matters Directly reflects the health and growth of SiTime's largest segment (CED), especially driven by AI infrastructure.

Signal to watch Increasing spending = Bullish.

Confidence: high

3. Federal Reserve (FRED) — Industrial Production and Capacity Utilization

Metric/field IPMAN (Industrial Production: Manufacturing (NAICS))

Cadence monthly

Why it matters Reflects the health of the industrial sector, a key end market for SiTime's products.

Signal to watch Increasing IPMAN = Bullish.

Confidence: high

4. S&P Global Mobility — Light Vehicle Production Forecast

Metric/field Global Light Vehicle Production (Units)

Cadence monthly

Why it matters Automotive is a growing segment for SiTime, especially with autonomous driving.

Signal to watch Increasing production = Bullish.

Confidence: high

5. U.S. Census Bureau (FRED) — Monthly Retail Trade Survey

Metric/field MRTSSM4431USN (Retail Sales: Electronics and Appliance Stores, Not Adjusted)

Cadence monthly

Why it matters Indicates consumer demand for electronics, impacting SiTime's Mobile, IoT, and Consumer segment.

Signal to watch Increasing sales = Bullish.

Confidence: medium

Free Alt Data Watch

1. Google Trends — Search Interest

Metric/field Interest over time (index) for 'AI data center'

Cadence weekly

Why it matters Indicates general public and industry interest in AI data centers, a primary growth driver for SiTime's CED business.

Signal to watch Increasing trend = Bullish.

Confidence: medium

2. Google Trends — Search Interest

Metric/field Interest over time (index) for 'autonomous driving'

Cadence weekly

Why it matters Reflects public and industry interest in autonomous driving, a key growth area for SiTime's automotive timing solutions.

Signal to watch Increasing trend = Bullish.

Confidence: medium

3. Reddit — Subreddit Activity

Metric/field Daily/Weekly post count in r/MachineLearning

Cadence daily

Why it matters Gauges developer and enthusiast interest and discussion around key technologies driving SiTime's market.

Signal to watch Increasing activity = Bullish.

Confidence: medium

4. SEC EDGAR — Company Filings

Metric/field Changes in 'Risk Factors' section of SITM 10-K/10-Q filings

Cadence quarterly

Why it matters Provides direct insight into management's assessment of risks and opportunities.

Signal to watch Decreased mention of key risks or new opportunities = Bullish.

Confidence: high

5. LinkedIn (public search) — Job Postings

Metric/field Number of open job postings for 'Timing Engineer' or 'MEMS Engineer' at SiTime and key competitors (e.g., Microchip, Renesas)

Cadence weekly

Why it matters Indicates R&D investment, hiring trends, and potential growth areas within the timing and MEMS industry.

Signal to watch Increasing postings = Bullish.

Confidence: medium

Paid Alt Data Watch

1. Panjiva — Global Trade Data

Metric/field Export/Import volume (kg) or value (USD) for SITM (SiTime Corporation) under relevant HS codes (e.g., 8542.39, 8543.70)

Cadence monthly

Why it matters Provides early indicators of demand and supply chain activity for SiTime's products.

Signal to watch Increasing shipment volume/value = Bullish.

Confidence: high

2. Thinknum Alternative Data — E-commerce Product Data (Distributors)

Metric/field Average Selling Price (ASP) and available stock units for SiTime branded oscillators and clocks on major electronics distributor websites (e.g., Digi-Key, Mouser)

Cadence daily

Why it matters Reflects real-time demand, pricing power, and inventory management.

Signal to watch Stable/increasing ASPs and healthy inventory levels = Bullish.

Confidence: high

3. Revelio Labs — Employee Data

Metric/field Employee sentiment score (e.g., 5-star rating average) and total headcount for SiTime

Cadence monthly

Why it matters Provides insights into company culture, employee satisfaction, and hiring momentum, which can correlate with operational performance.

Signal to watch Improving sentiment and sustained headcount growth = Bullish.

Confidence: medium

4. LexisNexis PatentSight — Patent Database

Metric/field Number of new patent applications filed by SiTime (assignee) in IPC classes related to timing circuits (H03L), MEMS (B81B), or semiconductor devices (H01L)

Cadence quarterly

Why it matters Indicates innovation pipeline, competitive positioning, and long-term technological leadership.

Signal to watch Increasing patent activity = Bullish.

Confidence: medium

5. Sensor Tower — Mobile App Usage & Downloads

Metric/field Total app downloads and active users for key applications on devices from SiTime's largest consumer customer (e.g., Apple App Store total downloads)

Cadence monthly

Why it matters Indirectly reflects the health and adoption of platforms where SiTime's components are used in consumer devices.

Signal to watch Increasing downloads/usage = Bullish.

Confidence: medium

Search Keywords Brand Product

SiTime oscillators
SiTime resonators
SiTime clocks
MEMS timing solutions
Super TCXOs
Titan resonators
FemtoClock
VersaClock
AI data center timing
1.6T optical modules
AI infrastructure
autonomous driving timing
Assured PNT
personal AI devices
timing chiplets
integrated timing

Search Keywords Event Phrases

SiTime Q2 earnings
SiTime Renesas acquisition

What They Do (Plain English & Analogies): SiTime Corporation provides the essential 'heartbeat' for electronic devices. Just like a conductor keeps an orchestra in perfect time, SiTime's products—oscillators, resonators, and clocks—ensure all the different parts of an electronic system work together in precise synchronization. They do this using tiny silicon-based components called MEMS (Micro-Electro-Mechanical Systems) instead of older, less reliable quartz crystals. This makes their timing solutions smaller, more durable, and more precise, especially in demanding environments like data centers, self-driving cars, and defense systems. With the recent acquisition of Renesas' timing business, SiTime now offers an even broader range of these critical timing components, from the very basic to the most advanced, for almost any electronic system imaginable.
Very Brief History: Founded in 2003 with the vision to revolutionize the timing market with silicon MEMS technology, SiTime spent two decades perfecting its solutions. After being acquired by MegaChips in 2014, it spun off in a 2019 IPO. In 2023, the company expanded its portfolio by acquiring clocking IP from Aura Semiconductor. A significant milestone occurred on July 1, 2026, with the closure of the transformational $1.5 billion acquisition of Renesas' timing business, which greatly expanded SiTime's product offerings and market reach.
"Street Stereotype": SiTime is generally viewed as the high-growth 'disruptor' of the traditional, often commoditized, quartz timing industry. It is frequently traded as a high-beta 'AI infrastructure' play because its high-precision oscillators are crucial for the ultra-fast networking speeds (like 800G and 1.6T) needed in modern AI data centers.
Subsidiaries On Linked In*: Aura Semiconductor — SiTime acquired its clocking IP, and Aura Semiconductor operates as a multinational fabless semiconductor company with its own LinkedIn presence.; LinkedIn: aurasemi
Customer Sectors & Example Clients: SiTime's customers span diverse sectors including Communications, Enterprise, and Data Center (CED); Automotive, Industrial, and Aerospace/Defense; and Mobile, IoT, and Consumer. While specific client names are often confidential, major clients are known to include Apple (their largest consumer customer), Google, Meta, NVIDIA (for AI XPUs/GPUs), Cisco, Arista Networks, and Tesla (for ADAS/Self-driving systems).
New Customers / Segments They'Re Targeting: SiTime is actively targeting new customer segments driven by the expansion of AI beyond traditional data centers. This includes AI in cars (for autonomous driving, a $400 million SAM), humanoid robots, drones, and personal AI devices. In the defense sector, they are focusing on Assured PNT (Position, Navigation, and Timing), a $400 million market where their timing solutions ensure functionality even when GPS is unavailable. In the Mobile, IoT, and Consumer (MIC) segment, emerging growth areas include personal AI devices, smart glasses, wearables, and health devices. The acquisition of Renesas' timing business also brought approximately 10,000 new customers.
Sales Geographies And Expansion Plans: SiTime currently sells its products in key regions such as Taiwan, Hong Kong, and the United States, in addition to broader international markets. The company reported strong growth across all regions in Q2 2026, with every region growing more than 50% year-over-year. The acquisition of Renesas' timing business significantly expands SiTime's customer reach globally. While specific new geographic expansion plans were not detailed, the company's focus on global AI, automotive, and defense markets implies continued international growth.
How Key Themes May Help/Hurt: The 'Edge AI Long '26: NPU + Mobile Inference' theme significantly benefits SiTime. The rapid emergence of 'Agentic AI' and 'Physical AI' (humanoid robotics, robotaxis, smart wearables) directly drives demand for SiTime's precision timing solutions, as these intelligent, autonomous edge devices require highly accurate and resilient timing. SiTime's products are crucial for applications like autonomous driving, which relies on precision timing for positional accuracy, and for personal AI devices. The theme's bull points, such as the broadening adoption of AI-enabled devices and advancements in edge AI hardware, align perfectly with SiTime's strategic focus on integrating timing into the heart of these systems through chiplets and modules, expanding its addressable market. While general macroeconomic headwinds or supply chain bottlenecks (bear points of the theme) could indirectly affect the broader electronics industry, SiTime's critical role in high-growth AI and autonomous systems positions it to benefit from the fundamental shift to on-device inference.

3 Main Long-Term Bull Details

AI-Driven Demand Acceleration: SiTime is a critical enabler for the accelerating AI infrastructure build-out, particularly with the transition to 1.6 terabit optical modules and the increasing demand for high-performance Super TCXOs in AI data centers. Beyond data centers, AI's expansion into 'Physical AI' applications like autonomous vehicles, humanoid robots, drones, and personal AI devices creates new, high-content opportunities for SiTime's precision timing solutions.
Transformational Scale and Portfolio Expansion: The acquisition of Renesas' timing business (TPD) is a game-changer, significantly expanding SiTime's product portfolio with 500+ clocking products and doubling its scale in the data center market. This acquisition accelerates SiTime's path to $1 billion in revenue, enhances its customer reach, and strengthens its financial platform, while also eliminating a major competitor in the clocking space.
Structural Shift to Integrated Timing: SiTime is pioneering the evolution of timing from discrete components to integrated solutions within chiplets, advanced substrates, and modules. This strategic move is expected to expand SiTime's total addressable market by $2.5 billion by 2030, creating higher-value opportunities as AI moves from central systems to physical, edge, and personal devices.

3 Main Long-Term Bear Details

Renesas Acquisition Integration Risk: The $1.5 billion Renesas timing business acquisition is a complex carve-out that introduces significant execution and financial risks. Managing the integration of this large asset, including transferring customer relationships, managing supply chain transitions, and expanding infrastructure, while relying on Renesas for manufacturing and test dependencies in the near term, will test management's operational capacity.
Customer Concentration: Despite diversification efforts, SiTime remains significantly reliant on a few large customers, particularly in the consumer and mobile segments. A single large consumer customer continues to contribute substantially to quarterly revenue, and any shift in procurement strategy or loss of a design win by a major client could lead to revenue volatility.
Industry Cyclicality and Competition: The timing industry is historically cyclical, and a potential slowdown in AI CapEx or a plateau in data center networking upgrades could lead to an inventory correction. While SiTime's MEMS technology currently commands a premium, traditional quartz competitors or other silicon timing players could eventually close the performance gap, potentially pressuring SiTime's high average selling prices and gross margins.

Competitors And Differentiation: SiTime's primary competitors are traditional quartz crystal manufacturers. SiTime differentiates itself by offering silicon MEMS-based timing solutions that provide superior reliability, quality, and programmability compared to quartz. Their products are smaller, more robust against vibration and heat, and can be programmed to different frequencies. The company positions itself as the only one offering a comprehensive, differentiated portfolio of oscillators, resonators, and clocks. The acquisition of Renesas' timing business (TPD) further strengthens its competitive position by adding a highly respected provider of clocking products, including industry-leading families like FemtoClock and VersaClock, which have consistently led in performance and architecture.
Recent Performance & What The Market'S Focused On: SiTime reported an exceptional second quarter of 2026, with revenue reaching $157 million, a 127% increase year-over-year. Gross margins expanded to 67.1%, up 8.9 percentage points, and net income surged by 400% to $65.7 million, or $2.34 per diluted share. This strong performance was driven by broad strength across all business units and regions, particularly in the Communications, Enterprise, and Data Center (CED) segment, which grew 181% year-over-year. For the third quarter of 2026, SiTime provided robust guidance, expecting combined revenue (including the newly acquired TPD business) of $285 million to $295 million, with gross margins around 68% and non-GAAP EPS in the range of $3.50 to $3.65 per share. The market is currently focused on the successful integration of the Renesas timing business, the sustained triple-digit growth in the AI-driven CED segment, the acceleration of the consumer business in the second half of 2026, and the company's overall trajectory towards achieving $1 billion in annual revenue.

Revenue Segments And Estimated Mix: Communications, Enterprise and Data Center (CED) — Mix: ~62.3%; Source: Q3 2026 Guidance (combined SiTime + TPD); Trend: Core SiTime CED grew 181% YoY in Q2 2026; expected triple-digit growth YoY in Q3 2026. TPD contributes ~75% of its revenue to CED.
Automotive, Industrial and Aerospace Defense (AID) — Mix: ~22.9%; Source: Q3 2026 Guidance (combined SiTime + TPD); Trend: Core SiTime AID grew 51% YoY in Q2 2026; expected strong growth to continue. TPD contributes ~25% of its revenue to AID.
Mobile, IoT and Consumer (MIC) — Mix: ~14.8%; Source: Q3 2026 Guidance (combined SiTime + TPD); Trend: Core SiTime MIC grew 85% YoY in Q2 2026; expected to accelerate significantly in Q3 2026 due to large consumer customer design wins.
Product Brands: Elite RF
Endura
ApexMEMS
Titan
FemtoClock
VersaClock

Bull / Bear Details

SiTime is rapidly solidifying its position as the comprehensive precision timing leader, driven by exceptional AI infrastructure demand and the successful, accr

Thesis

SiTime is rapidly solidifying its position as the comprehensive precision timing leader, driven by exceptional AI infrastructure demand and the successful, accretive acquisition of Renesas' timing business. This expands its portfolio to include clocks and resonators, accelerating its path to $1 billion in revenue with sustained triple-digit growth in data centers and expanding gross margins. While integration complexities and supply chain constraints exist, SiTime's superior technology and massive backlog make the bull case highly compelling. (Updated: 2026-09-02)

Bull case

AI-driven demand is accelerating across all segments, with SiTime's Communications, Enterprise, and Data Center (CED) segment growing 181% year-over-year. This is fueled by the transition to 1.6T optical modules, increased hyperscaler synchronization needs, and expansion into new AI data center OEMs, providing significant ASP expansion and sustained triple-digit growth.
The transformational acquisition of Renesas' timing business (TPD) closed ahead of schedule and is already exceeding initial revenue expectations, now projected to grow at a higher rate than the previously guided $300 million annualized. This acquisition significantly accelerates SiTime's path to $1 billion in revenue, adding high-margin clocking products and expanding market reach.
SiTime is successfully diversifying into 'Physical AI' applications like autonomous driving, humanoid robots, drones, and personal AI devices, representing significant new SAMs. The company's innovation in integrating timing into chiplets and modules is projected to expand its SAM by an additional $2.5 billion by 2030 in currently non-existent opportunities.

Bear case

The Renesas timing business acquisition introduces significant integration and supply chain risks. Management noted that carve-outs of this scale are complex, with existing supply chain constraints and a reliance on Renesas for manufacturing and test dependencies for several quarters during the transition period.
Despite diversification efforts, SiTime remains exposed to customer concentration, particularly in the consumer segment where a single large customer drives significant revenue. While strong growth is expected from this customer in the second half of 2026, any shift in their procurement strategy or a broader slowdown in consumer demand could lead to revenue volatility.
The company's financing of the Renesas acquisition involved issuing $1.35 billion in convertible notes, which introduces new debt leverage. While the company is highly profitable, the interest income benefit from the proceeds will not recur at previous levels, and managing this debt while maintaining rapid growth will be a key financial consideration.

Bull / Bear Case

Bear Case: Despite strong reported results, SiTime faces significant risks, particularly concerning the integration of the Renesas timing business (TPD). Management acknowledges the complexity of this carve-out, highlighting existing supply chain constraints and a reliance on Renesas for manufacturing and test dependencies for several quarters. This introduces execution risk that could hinder the expected accelerated growth. Additionally, SiTime remains exposed to customer concentration, with a single large consumer customer driving substantial revenue in the Mobile, IoT, and Consumer (MIC) segment. Any shift in this customer's procurement strategy or a broader slowdown in consumer demand could lead to revenue volatility. The financing of the Renesas acquisition through $1.35 billion in convertible notes introduces new debt leverage, and the previous interest income benefit will not recur at the same levels, adding financial pressure.
Bull Case: SiTime is poised for continued exceptional growth, primarily driven by accelerating AI infrastructure demand. Its Communications, Enterprise, and Data Center (CED) segment saw 181% year-over-year growth in Q2 2026, fueled by the transition to 1.6T optical modules, increased hyperscaler synchronization, and expansion into new AI data center OEMs. The transformational acquisition of Renesas' timing business (TPD) closed ahead of schedule and is already exceeding initial revenue expectations, significantly accelerating SiTime's path to $1 billion in revenue and expanding its high-margin clocking portfolio. Furthermore, SiTime is diversifying into 'Physical AI' applications like autonomous driving and humanoid robots, and its innovation in integrated timing solutions (chiplets, modules) is projected to expand its SAM by an additional $2.5 billion by 2030. The company boasts strong financial results, high gross margins, and improving visibility into 2027, with a multi-year growth rate expected around 30% or higher.
More Compelling & Why: Bear. Despite strong Q2 results, SiTime's stock has underperformed significantly, dropping over 22% since post-earnings, while the broader market saw a modest decline. This suggests the market is heavily discounting the growth prospects against the inherent risks, indicating a stretched valuation. The primary concern is the complex integration of the Renesas timing business and the associated supply chain constraints, which could impede the realization of expected synergies and growth. My view would flip to Bull if SiTime demonstrates clear, sustained progress in TPD integration, easing supply chain issues, and if the stock's Price-to-Sales (P/S) multiple normalizes to a more defensible level relative to its peer group and historical growth trajectory.

Key Factors5 rows

Key Factor	Why It Matters	What To Watch	What It Signals	Where/How To Track	Free Alt Data	Paid Alt Data
Book-to-Bill Ratio and Backlog Visibility	A strong book-to-bill ratio and extended backlog duration indicate robust underlying demand and provide excellent revenue visibility, reducing short-term cyclical risks and supporting future growth projections.	Management commentary on the book-to-bill ratio (whether it remains above 1.1), lead times, and the duration of customer orders (e.g., sustained 12-18 months in advance). Any changes in backlog conversion rates.	Book-to-bill ratio remaining above 1.1 and sustained 12-18 month order visibility = Bullish. Management reiterating strong pull-through and improving visibility into 2027 = Bullish.	SiTime's quarterly earnings reports and conference calls.	Industry surveys on semiconductor lead times; economic indicators for global manufacturing and technology spending.	Susquehanna Financial Group (or similar): Semiconductor lead time tracker; Supply chain data providers for order book analysis.
Mobile, IoT, and Consumer (MIC) Revenue Growth & Personal AI Design Win Proliferation	This segment is accelerating, driven by a large consumer customer's new product rollout and emerging personal AI devices. Strong growth here diversifies revenue streams and indicates success in new, high-growth AI-enabled edge markets.	MIC revenue growth rate, especially sequential growth in H2 2026, and management commentary on the proliferation of design wins with the 'large consumer customer'. Tracking the MICBU funnel size, which is currently over $1.2 billion.	MIC revenue growth accelerating significantly in Q3 2026 and H2 2026, driven by the large consumer customer's new product rollout = Bullish. Continued expansion of the MICBU funnel beyond $1.2 billion = Bullish.	SiTime's quarterly earnings reports and conference calls; product launch announcements from major consumer electronics companies (e.g., Apple).	Google Trends: Search volume for 'personal AI devices', 'smart glasses', 'wearables'; tech news sites covering new consumer electronics launches and teardowns.	Counterpoint Research: Smartphone/wearable market share and NPU integration; Teardown.com: Component analysis of new consumer devices.
Gross Margin Performance	Sustained high gross margins (above 65%) demonstrate the value of SiTime's precision timing products, the effectiveness of its product mix strategy, and the scalability of its financial model, directly contributing to profitability.	Actual non-GAAP gross margin in Q3 2026 and subsequent quarters, compared to the guidance of 'approximately 68% plus or minus a point'. Commentary on product mix benefits and manufacturing absorption.	Non-GAAP gross margins consistently at or above 67% = Bullish. Management commentary confirming continued benefits from high-value product mix and manufacturing absorption = Bullish.	SiTime's quarterly earnings reports and conference calls.	None directly applicable.	None directly applicable.
Renesas Timing Business (TPD) Revenue Growth & Integration Progress	The TPD acquisition is transformational, accelerating SiTime's path to $1 billion in revenue and expanding its market reach. Its performance and successful integration are crucial for realizing the acquisition's value and overall financial targets.	TPD's actual revenue contribution in Q3 2026 and subsequent quarters, compared to the initial $85 million Q3 guidance and the updated expectation of exceeding $300 million annualized revenue. Commentary on supply chain constraints and integration progress.	TPD revenue exceeding $85 million in Q3 2026 and continued growth above the initial $300 million annualized run rate = Bullish. Management commentary indicating smooth integration and easing supply chain constraints = Bullish.	SiTime's quarterly earnings reports and conference calls. SEC filings (Form 10-Q, 10-K).	Industry news on timing component supply chains; Renesas' earnings calls for any indirect commentary on their Transition Services Agreement (TSA) with SiTime.	Supplyframe: Component lead times for TPD products; Expert network calls with former Renesas Timing employees.
Communications, Enterprise, and Data Center (CED) Revenue Growth	CED is the primary engine of SiTime's growth, driven by AI infrastructure, 1.6T optical modules, and hyperscaler synchronization. Sustained triple-digit growth confirms the strong AI tailwind and market leadership.	SiTime's core CED revenue growth rate (excluding TPD) in Q3 2026 and beyond, specifically looking for continued triple-digit year-over-year growth. Commentary on 1.6T optical module adoption rates and hyperscaler demand for synchronization solutions.	Core SiTime CED revenue growth remaining above 100% year-over-year = Bullish. Confirmation of strong 1.6T optical module ramp and increased hyperscaler synchronization content = Bullish.	SiTime's quarterly earnings reports and conference calls; earnings calls of 1.6T module leaders (e.g., Coherent, Lumentum) and hyperscalers (Meta, Google, Microsoft).	Industry reports on data center CapEx trends; news on AI infrastructure build-outs and networking upgrades.	Yole Group: Optical transceiver market forecasts; Dell'Oro Group: Data center networking equipment market share.

Key Reported Metrics, Reratings Triggers & Results3 rows

EPS demonstrates SiTime's operating leverage and profitability as it scales. Investors watch this to ensure high-margin AI products and disciplined spending tra

Upcoming print · 2026-11-04

Key reported metrics
Metric	Last period	Why it matters
Non-GAAP Diluted EPS	400%	EPS demonstrates SiTime's operating leverage and profitability as it scales. Investors watch this to ensure high-margin AI products and disciplined spending translate into strong bottom-line growth post-acquisition.
Communications, Enterprise and Data Center (CED) Revenue	181%	As the primary growth engine, CED revenue indicates SiTime's ability to capitalize on accelerating AI infrastructure demand, 1.6T optical module adoption, and hyperscaler synchronization, driving high-value product mix.
Total Revenue	127%	This metric is crucial as it reflects the overall success of SiTime's core business and the initial impact of the transformational Renesas timing acquisition, guiding market confidence in its path to $1 billion in revenue.

Last reported · 2026-05-06

Key reported metrics
Metric	Last period	Why it matters
Non-GAAP Diluted EPS	219%	EPS more than tripled in the last quarter, demonstrating significant operating leverage as the company scales. Investors watch this to ensure that high-margin AI product mixes and disciplined spending are translating into exponential bottom-line growth ahead of the Renesas acquisition.
Total Revenue	66%	Management guided for ~70% YoY growth in Q1 2026, suggesting acceleration from Q4. This metric validates SiTime's ability to scale its MEMS technology against traditional quartz competitors and its progress toward the $1 billion annual revenue milestone.
Communications, Enterprise and Data Center (CED) Revenue	160%	As SiTime's largest segment (57% of revenue), CED is the primary engine for AI-driven growth. Investors are focused on the adoption of 1.6 terabit optical modules and Super TCXOs, which command higher ASPs and are driving triple-digit segment growth.

Key Questions

Can SiTime sustain its exceptional triple-digit growth in the Communications, Enterprise, and Data Center (CED) segment, driven by 1.6T optical modules and AI i

Can SiTime sustain its exceptional triple-digit growth in the Communications, Enterprise, and Data Center (CED) segment, driven by 1.6T optical modules and AI infrastructure, or will the current high growth rates normalize sooner than expected?

Question 2: Despite the early closure of the Renesas timing business acquisition, can SiTime successfully navigate the complex integration challenges, particularly regarding supply chain constraints and reliance on Renesas for production, to achieve the expected accelerated growth and accretion to its path to $1 billion in revenue?
Question 3: Can SiTime sustain its gross margins at or above the 67-68% range, driven by favorable product mix and manufacturing absorption, or will the higher mix of consumer business in the second half and the interest expense from the new convertible notes offering create pressure on profitability?

Earnings Transcript Summary2 rows

2026-08-05 · 2026Q2 Earnings Call

3 Things Management Is Most Focused On	Call Takeaway & Tone	Prior Quarter'S Y/Y Growth By Segment	3 Things Analysts Most Pressed On (And Mgmt Responses)	Revenue Segments
3 Things Management Is Most Focused On1. Successful integration and accelerated growth of the Renesas Timing Business (TPD): Management highlighted the early closure of the acquisition, the welcome to the TPD team, and the expectation that TPD could grow at a higher rate than initially guided, accelerating SiTime's path to $1 billion in revenue. They are focused on enhancing customer experience, expanding supply, and moving the business onto SiTime's operating platform. 2. Capitalizing on AI-driven demand in Communications, Enterprise, and Data Center (CED): CED is the "engine of growth," with 181% Y/Y growth. Management emphasized drivers like the transition to 1.6T optical modules, adoption of synchronization by hyperscalers, and expansion into new AI data center OEMs/ODMs. 3. Pioneering innovation in timing integration and expanding SAM: Rajesh discussed moving timing from discrete components to integrated solutions through chiplets, advanced substrates, and modules, expecting this to expand their SAM by $2.5 billion by 2030 in new opportunities, especially as AI moves to physical, edge, and personal systems.	Call Takeaway & ToneThe call conveyed a highly confident and bullish tone, emphasizing SiTime's exceptional Q2 2026 financial results, which significantly exceeded expectations across all segments. The key takeaway is that SiTime is in a hyper-growth phase, driven by robust demand in AI infrastructure and the successful, transformational acquisition of Renesas' timing business (TPD). Management expressed strong optimism for continued momentum into 2027, highlighting expanding market opportunities in AI across various applications, from data centers to autonomous vehicles and personal AI devices, and a clear path to $1 billion in revenue.	Prior Quarter'S Y/Y Growth By SegmentCommunications, Enterprise and Data Center (CED): +160% Y/Y (Accelerated); Automotive, Industrial, and Aerospace (AIA): +19% Y/Y (Accelerated); Consumer, IoT, and Mobile: +7% Y/Y (Accelerated).	3 Things Analysts Most Pressed On (And Mgmt Responses)1. TPD acquisition's revenue contribution and future growth: Analysts noted TPD was tracking above the initial $300 million annualized run rate. Management (Elizabeth Howe) responded that TPD has seen "continued strength in their business," with about 75% of its revenue from CED, and the strong performance in Q2 and Q3 reflects this. She also mentioned that while it's early days, they are working through integration and supply chain constraints to enable more growth. 2. Reporting of TPD revenue and segment split post-integration: Analysts asked how TPD revenue would be reported. Management (Elizabeth Howe) stated that TPD revenue would be integrated into the existing SiTime business segments, splitting roughly 75% into CED and 25% into Automotive, Industrial, and Aerospace, with no consumer business. 3. Growth by segment for Q3, particularly core SiTime vs. TPD: Analysts inquired about the expected growth rates for each segment in Q3. Management (Elizabeth Howe) indicated that core SiTime CED is expected to continue strong, triple-digit growth, AID to show similar strong growth, and consumer business to accelerate significantly in the second half, driven by a large customer's new product rollout. For TPD, they are working through integration and supply chain constraints with Renesas, which will influence its growth.	Revenue SegmentsCommunications, Enterprise and Data Center (CED): +181% Y/Y; Automotive, Industrial and Aerospace Defense: +51% Y/Y; Mobile IoT and Consumer (MIC): +85% Y/Y.

2026-02-04 · 2025Q4 Earnings Call

3 Things Management Is Most Focused On	Call Takeaway & Tone	Prior Quarter'S Y/Y Growth By Segment	3 Things Analysts Most Pressed On (And Mgmt Responses)	Revenue Segments
3 Things Management Is Most Focused On1. AI Infrastructure Dominance: Capitalizing on the shift to 1.6 terabit optical modules and increased demand for Super TCXOs in AI XPUs/GPUs. 2. Transformational M&A: Integrating the Renesas timing business to gain 500+ clocking products and double CED revenue scale. 3. Margin Expansion: Sustaining gross margins above 60% through a mix shift toward high-value precision timing products.	Call Takeaway & ToneThe takeaway is that SiTime is entering a hyper-growth phase fueled by AI data center expansion and a massive strategic acquisition that triples their addressable market in clocking. The tone was exceptionally confident and bullish, characterized by management describing the quarter as 'milestone' and the acquisition as 'monumental.'	Prior Quarter'S Y/Y Growth By SegmentCED: ~184% Y/Y (Decelerated from 184% to 160% in Q4); Automotive, Industrial, and Aerospace: ~14% Y/Y (Accelerated from 14% to 19% in Q4); Consumer, IoT, and Mobile: ~6% Y/Y (Accelerated from 6% to 7% in Q4).	3 Things Analysts Most Pressed On (And Mgmt Responses)1. Backlog and Book-to-Bill: Analysts questioned the 1.5 book-to-bill ratio; management responded that visibility is excellent through 2026, with customers booking ahead to secure supply for AI deployments. 2. Cross-Selling Synergies: Analysts asked how the Renesas clocks would be paired with MEMS; management explained that minimal product overlap allows them to replace quartz oscillators with MEMS on Renesas clock boards. 3. Regulatory Approvals: Analysts inquired about potential China/SAMR hurdles for the acquisition; management stated they do not expect to require SAMR approval to close the deal.	Revenue SegmentsCommunications, Enterprise and Data Center (CED): +160% Y/Y; Automotive, Industrial, and Aerospace (AIA): +19% Y/Y; Consumer, IoT, and Mobile: +7% Y/Y.

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2026-08-05

About Expanding Eligible Market	About Competition	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)	Hiring
About Expanding Eligible MarketSiTime has introduced an expanded portfolio including oscillators, resonators, and clocks, and is the only company doing so. The company anticipates 100% revenue growth from 1.6T optical modules in 2027, with 800G also growing significantly, contributing to a combined $450 million SAM. AI data center spending is expanding beyond traditional hyperscalers, leading to demand from new OEMs and ODMs. AI is also moving into cars, humanoid robots, drones, and personal AI devices, creating new precision timing opportunities. Content in vehicles is increasing significantly due to AI-based autonomous driving, with positional accuracy representing a $400 million SAM. The defense market offers a $400 million opportunity in Assured PNT (position, navigation, and timing), where SiTime's devices provide trusted local timing backup when GPS is unavailable, enabling immunity to spoofing and extending PNT validity. In the Mobile, IoT, and Consumer (MIC) segment, personal AI devices, smart glasses, wearables, hairables, and health devices are emerging growth areas, with the MICBU funnel exceeding $1.2 billion. The acquisition of Renesas' timing business (TPD) closed on July 1st, accelerating SiTime's path to $1 billion in revenue and moving the company closer to its goal of being the timing provider in every important system. TPD serves 10,000 customers, boasts 70% gross margins, and generates nearly 70% of its revenue from the Communications, Enterprise, and Data Center (CED) segment. The TPD acquisition is expected to grow at a higher rate than the previously guided $300 million in revenue for the 12 months post-close. SiTime's innovation is moving towards integrating timing into the heart of systems through chiplets, advanced substrates, and modules, which is projected to expand the SAM by $2.5 billion by 2030 in currently non-existent opportunities. This integration of timing is also expected to build similar higher-value opportunities as AI expands into physical, edge, and personal systems. The TPD business revenue split is approximately 75% CED and 25% automotive, aerospace, and industrial, with no consumer business. The Bosch agreement renewal is unaffected by the TPD acquisition, as typical clocks do not use resonators.	About CompetitionSiTime is the only company offering a compelling and differentiated portfolio of oscillators, resonators, and clocks. Customers select SiTime devices for their resilience, which provides up to 10x better positional accuracy in autonomous driving applications. The acquired TPD business has a history of leading the industry by 12 to 18 months in new architectures and performance. The acquisition of Renesas' timing business is considered a transformational acquisition for SiTime. This acquisition effectively absorbs a preeminent competitor in the clocking space, particularly within the Comms, Enterprise, and Data Center (CED) segments, and provides immediate cross-selling opportunities for MEMS oscillators to Renesas' extensive customer base. SiTime's MEMS-based solutions command a premium over traditional quartz crystal competitors due to their superior reliability, quality, and programmability.	About The Broader IndustryThe increasing need for networking in data centers is driving the transition to 1.6 terabit optical modules. Hyperscalers are further adopting synchronization across both compute and networking nodes in data centers. Globally, defense spending is on the rise, creating a retrofit opportunity for Assured PNT solutions. Modern electronics rely on precision timing, a category that SiTime created and continues to lead. The broader timing industry is valued at $10 billion to $11 billion, with an annual growth rate of 5% to 6%, primarily fueled by significant AI CapEx, the adoption of 1.6 terabit optical modules, and increased defense spending.	Where Things Are HeadedSiTime anticipates continued rapid growth in its CED business, driven by increasing bandwidth requirements (such as 1.6T optical modules), broader adoption of synchronization by hyperscalers, and the expansion of AI data center spending beyond traditional hyperscalers. The company's innovation is focused on integrating timing into the core of systems through chiplets, advanced substrates, and modules. This integration is projected to expand SiTime's SAM by $2.5 billion by 2030, tapping into opportunities that do not currently exist. SiTime intends to maintain its leadership in the precision timing category for the foreseeable future. The company expects a multiyear growth rate of approximately 30%, which could be higher with acceleration from AI and phone-related businesses. No signs of a slowdown are anticipated for 2027, which is expected to be a year of significant growth, driven by the impact of AI in both CED and TPD, as well as other AI applications. Gross margins are projected to remain above 65%, likely in the 67-68% range, due to increased manufacturing operating leverage, absorption, and a favorable product mix, which will offset any headwinds from a higher mix of consumer business in the second half of the year. SiTime aims to establish itself as the premier pure-play precision timing company.	Updates On ThemeNPU	Broader Themes EmergingPhysical AI (humanoid robots and autonomous systems interacting in the real world); Agentic AI (intelligent, autonomous decision-making directly on edge devices); transition from AI training to inference; 1.6 terabit networking infrastructure adoption.	Bullish-Leaning Quotes (Short)The second quarter was truly exceptional. Revenue was $157 million up 127% year over year. Gross margins were 67.1%, up 8.9% points. Operating margin was 34%, up from 10% a year ago. Net income was $65.7 million or $2.34 per diluted share up 400%. Every BU or business unit grew more than 50% year over year. CED grew 181% year over year and crossed $100 million in quarterly revenue our 9th consecutive quarter of triple digit growth. Our visibility into 2027 keeps improving. This acquisition accelerates SiTime's path to $1 billion in revenue. We expect that TPD could grow at higher rate. The opportunity in front of us has never been clearer. Q2 was another strong quarter and demonstrates the power of our model as revenue scales. This is a transformational acquisition for us, and we are encouraged by the progress we have made. We are well on our way to exceeding that $300 million. We see no signs of slowdown. it is a seminal time for SiTime. it is clearly an inflection point.	Bearish-Leaning Quotes (Short)While carve outs of this scale are complex, we have an active partnership with Renesas to execute the transition plan. it is early days as well. And we are still working through the integration. We are relying on them for the next several quarters. For the production. there is a lot of constraint in the business in the supply chain. This benefit will not recur at these levels, as those proceeds were used to fund the cash consideration for the acquisition.	HiringThe year-over-year increase of $18.8 million in operating expenses reflects continued investment in growth, including personnel, product roadmap investments, revenue-linked go-to-market expenses, and acquisition readiness. SiTime is making deliberate investments to scale capabilities to support a substantially larger business while maintaining strong operating discipline. Operating expenses are projected to be in the range of $80 million to $85 million as the company continues to invest in growth. The TPD group is currently running independently, reporting to one of SiTime's senior executives. In the coming quarters, SiTime expects to integrate the TPD group after a better understanding of their combined strengths.

2026-02-04

About Expanding Eligible Market	About Competition	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)
About Expanding Eligible MarketSiTime announced a transformational acquisition of Renesas' timing business (formerly IDT), adding 500 highly differentiated clock products to their portfolio. This scales their presence in the $11 billion timing market. Additionally, an MOU with Renesas explores integrating SiTime's 'Titan' resonators into Renesas' multi-billion dollar microcontroller (MCU) business. The company is also expanding into 'Physical AI' applications, including humanoid robots (up to $20 content) and robotaxis (up to $15 content).	About CompetitionManagement highlighted that SiTime's MEMS-based solutions command a premium over traditional quartz crystal competitors due to superior reliability, quality, and programmability, even in applications without strict performance requirements. The acquisition of Renesas' timing division effectively absorbs a preeminent competitor in the clocking space, particularly within the Comms, Enterprise, and Data Center (CED) segments.	About The Broader IndustryThe broader timing industry is valued at $10 billion to $11 billion, growing at 5% to 6% annually. The industry is currently driven by a massive surge in AI CapEx, accelerating the transition to 1.6 terabit optical modules and the deployment of XPUs for both training and inference. Defense spending is also accelerating worldwide, driving demand for resilient timing components in autonomous systems and drones.	Where Things Are HeadedSiTime is targeting a path to $1 billion in annual revenue. They expect their automotive, defense, and industrial businesses to each exceed $100 million annually in the coming years. Following the Renesas acquisition, the company aims to reduce leverage to under two times within 24 months and reach the upper end of their 60% to 65% long-term gross margin target more quickly.	Updates On ThemeSemiconductors	Broader Themes EmergingPhysical AI (humanoid robots and autonomous systems interacting in the real world); transition from AI training to inference; 1.6 terabit networking infrastructure adoption.	Bullish-Leaning Quotes (Short)Book to bill was over 1.5 at the end of Q4; Earnings per share more than tripled; Transformational acquisition; 2026 CED forecast has grown... driven by increases in AI CapEx spending; Acquired portfolio operates with approximately 70% gross margins.	Bearish-Leaning Quotes (Short)Consumer is typically down seasonally sequentially in the first quarter; Clocking is a slower growth business than oscillators; We had some challenges in the beginning of last year.

2026-02-04

About Expanding Eligible Market	About Competition	About The Broader Industry	Where Things Are Headed	Updates On Theme	Broader Themes Emerging	Bullish-Leaning Quotes (Short)	Bearish-Leaning Quotes (Short)
About Expanding Eligible MarketSiTime announced a transformational acquisition of Renesas' timing business (formerly IDT), adding 500 highly differentiated clock products to their portfolio. This scales their presence in the $11 billion timing market. Additionally, an MOU with Renesas explores integrating SiTime's 'Titan' resonators into Renesas' multi-billion dollar microcontroller (MCU) business. The company is also expanding into 'Physical AI' applications, including humanoid robots (up to $20 content) and robotaxis (up to $15 content).	About CompetitionManagement highlighted that SiTime's MEMS-based solutions command a premium over traditional quartz crystal competitors due to superior reliability, quality, and programmability, even in applications without strict performance requirements. The acquisition of Renesas' timing division effectively absorbs a preeminent competitor in the clocking space, particularly within the Comms, Enterprise, and Data Center (CED) segments.	About The Broader IndustryThe broader timing industry is valued at $10 billion to $11 billion, growing at 5% to 6% annually. The industry is currently driven by a massive surge in AI CapEx, accelerating the transition to 1.6 terabit optical modules and the deployment of XPUs for both training and inference. Defense spending is also accelerating worldwide, driving demand for resilient timing components in autonomous systems and drones.	Where Things Are HeadedSiTime is targeting a path to $1 billion in annual revenue. They expect their automotive, defense, and industrial businesses to each exceed $100 million annually in the coming years. Following the Renesas acquisition, the company aims to reduce leverage to under two times within 24 months and reach the upper end of their 60% to 65% long-term gross margin target more quickly.	Updates On ThemeSemiconductors	Broader Themes EmergingPhysical AI (humanoid robots and autonomous systems interacting in the real world); transition from AI training to inference; 1.6 terabit networking infrastructure adoption.	Bullish-Leaning Quotes (Short)Book to bill was over 1.5 at the end of Q4; Earnings per share more than tripled; Transformational acquisition; 2026 CED forecast has grown... driven by increases in AI CapEx spending; Acquired portfolio operates with approximately 70% gross margins.	Bearish-Leaning Quotes (Short)Consumer is typically down seasonally sequentially in the first quarter; Clocking is a slower growth business than oscillators; We had some challenges in the beginning of last year.

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Date	Comment	Comment Type	Comment Sentiment	Link	Price Reaction
2026-02-04	SiTime's Q4 2025 results triggered a massive 20% stock surge, driven by a 66% revenue increase and tripling EPS. Investors cheered the transformational acquisition of Renesas' timing business, which scales SiTime's AI data center presence and high-margin clocking portfolio. With a 1.5 book-to-bill ratio and strong Q1 guidance, the market embraced SiTime's accelerated trajectory toward $1 billion in revenue and expanded 62% gross margins.	Earnings Transcript	Bullish	https://investors.sitime.com/	+20.33% (vs SPY: +19.20%)
2026-08-05	SiTime's Q2 2026 earnings highlighted exceptional AI-driven growth and the Renesas acquisition exceeding expectations, leading to a 33.54% stock surge (T+2). This aligned with management's bullish tone. However, the stock has since declined 21.57%, reflecting moderating enthusiasm, high valuations, and bearish technical signals despite continued strong analyst sentiment.	Earnings Transcript	Mixed		+33.54% (vs SPY: +33.12%)

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