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1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problemsSiTime completed its acquisition of selected Renesas timing-business assets on July 1, 2026. The deal brings Renesas-origin clock generators, buffers, network synchronizers and jitter attenuators into SiTime’s portfolio alongside SiTime’s precision oscillators and resonators. The Versa and Femto clock families are now presented as part of SiTime’s Clocks & Timing offering, while Renesas documentation and sample ordering are slated to remain available through late 2026.
What SiTime acquired from Renesas
SiTime acquired certain assets of Renesas’ timing business, a portfolio built around clocking integrated circuits and related products. The transaction closed July 1, 2026, so these are now SiTime-owned assets rather than a proposed acquisition. SiTime describes the acquired clocking portfolio as a 30-year portfolio and says the addition expands its clocking offering by 10x.
The products serve the clock tree around processors, network equipment and communications systems. A system may need to create a reference clock, distribute it to multiple components, keep timing aligned across a network, and limit jitter that can disrupt signal timing. The acquired products address those functions and complement SiTime’s established precision-timing products.
Which Renesas clock products are now in SiTime’s portfolio?
SiTime’s Clocks & Timing page identifies the Versa and Femto families as part of its portfolio. Its broader listed categories include application-specific clocks, clock distribution, clock generation and crystal oscillators. The functional distinction matters: an oscillator supplies a frequency reference, while clock ICs can generate, distribute, synchronize or condition clock signals elsewhere in a design.
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| Function | What it does in a design | Portfolio context |
|---|---|---|
| Clock generation | Creates clock signals or frequencies required by system components. | Renesas-origin clock products now complement SiTime’s precision oscillators and resonators. |
| Distribution and buffering | Routes or fans out clock signals to multiple devices, helping maintain usable signal timing across a board or system. | Part of the acquired clocking portfolio. |
| Network synchronization | Helps keep timing coordinated across networked equipment. | Part of the acquired clocking portfolio. |
| Jitter attenuation | Reduces unwanted timing variation in clock signals. | Part of the acquired clocking portfolio. |
These functions may coexist in one system, but they are not interchangeable product specifications. Engineers still need to check the exact part’s datasheet, interfaces, frequency range, performance limits and qualification status against the design.
What changes—and what does not—for customers
SiTime says customers will continue to receive the same products and support, with SiTime providing go-to-market and engineering backing. Its portfolio page describes the combined clocking offering as trusted by more than 10,000 customers. That company-wide customer statement is not a guarantee that every part is suitable for every design or that every item is available from every channel.
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For existing designs, the stated transition path is continued access to Renesas product documentation and sample ordering through late 2026. That gives engineers a period to consult the existing material and request samples while the ownership and commercial home shifts to SiTime. The announcement does not establish a later end date for those Renesas channels, so customers with active designs should verify current ordering and support details directly.
For an existing qualified design
- Record the exact part number, revision and approved source used in the bill of materials.
- Use the current datasheet and product documentation to confirm specifications and status before changing a design or placing a new order.
- Ask SiTime or an authorized distributor to confirm supply, lifecycle status and any ordering-channel changes for production quantities.
For a new design
- Start with the Versa or Femto family page, or the relevant clock-generator, distribution, synchronization or jitter-management category.
- Compare the candidate part’s datasheet with the system clock tree and qualification requirements; a family name alone does not establish a fit.
- Use an official sample channel or authorized component distributor for evaluation rather than treating professional semiconductor parts as ordinary retail products.
Why SiTime made the acquisition
The strategic logic is breadth: SiTime’s precision oscillators and resonators are joined by clock ICs that perform more of the surrounding system’s timing work. That lets the company address reference generation, distribution, network synchronization and jitter management in addition to its existing timing products. SiTime said the deal marks a milestone in transforming the company into a supplier covering more aspects of timing.
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AI datacenter communications were a prominent part of the transaction rationale. Renesas projected that about 75% of acquired-business revenue would come from that market, reflecting the value of clocking in high-speed communications systems. The portfolio also serves industrial, automotive and other embedded designs, so the rationale is broader than AI datacenters alone.
Deal value and projected business contribution
Renesas disclosed consideration of $1.5 billion in cash plus approximately 4.13 million shares of SiTime common stock. Renesas also projected $300 million of revenue for the acquired business in its first 12 months after closing, with a 70% gross margin. These are transaction-era management projections, not reported post-close results. The acquisition completion announcement confirms the closing but does not isolate actual acquired-business revenue or margin after the transaction.
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What engineers and buyers should verify
Ownership changes do not, by themselves, determine whether a specific component can be substituted, ordered or qualified. Before making a sourcing decision, verify the current product record and obtain confirmation appropriate to the procurement stage.
- Datasheet fit: Confirm electrical characteristics, timing performance, package, interfaces and operating conditions for the exact part.
- Qualification: Check that the part and documentation meet the design’s industrial, automotive, communications or other applicable requirements.
- Availability: Confirm sample and production availability through the current official channel or an authorized distributor.
- Supply continuity: For a production design, ask about lifecycle status and supply planning rather than inferring it from the acquisition announcement.
- Support route: Use SiTime’s current product information for the portfolio, and consult Renesas materials during the announced documentation and sample transition period.
SiTime’s acquisition completion announcement is at SiTime completes acquisition of Renesas timing business. Renesas’ transaction announcement provides the consideration and projected business figures at Renesas to sell timing business to SiTime. The current portfolio and transition information is on SiTime’s Clocks & Timing page; transaction presentation details are in the SEC-filed presentation.
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