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SiTime Tech Could Be Used in Billions of Renesas Chips

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SiTime’s technology could ultimately be embedded in billions of chips made by Japan’s Renesas, SiTime’s chief executive said, following a landmark acquisition deal between the two firms. SiTime shares surged nearly 18% after the company announced a transaction worth up to $3.2 billion to acquire timing assets from Renesas.

SiTime expects the acquired assets to generate about $300 million in revenue in the first year after the deal closes, anticipated by the end of 2026—nearly doubling the company’s fiscal 2025 sales. The agreement also brings Renesas CEO Hidetoshi Shibata onto SiTime’s board and includes plans for Renesas to integrate SiTime’s timing technology into its chips.

At the center of the deal is SiTime’s resonator technology, which is smaller and more resilient to temperature changes than traditional solutions. That makes it especially suitable for automotive applications, a core market for Renesas microcontrollers. SiTime CEO Rajesh Vashist said the collaboration could result in the first microcontrollers that require no external timing components.

While revenue impact will take time due to design, qualification, and production cycles, Vashist said the scale could be vast. If widely adopted across Renesas products, the technology could be integrated into billions of chips over the coming years, marking a major expansion opportunity for SiTime.

Japan’s Renesas weighs $2 billion sale of timing unit amid semiconductor reshuffle

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Renesas Electronics Corp., one of Japan’s largest semiconductor makers, is considering a sale of its timing division in a deal that could value the business at nearly $2 billion, according to people familiar with the matter.

The company has hired JPMorgan to advise on the potential divestment, which remains in its early stages. Sources said the process is expected to attract bids from major chipmakers, including Texas Instruments in the United States and Germany’s Infineon Technologies. None of the companies involved have commented publicly on the talks.

Renesas’ timing division produces specialized integrated circuits (ICs) that handle clock, timing, and synchronization functions — essential components for data centers, telecommunications systems, and 5G network infrastructure. These chips act as the “metronome” for electronic systems, ensuring precise coordination of data flow in high-speed environments.

The move comes as global demand for chips powering AI-driven data centers and networking infrastructure continues to soar. Selling the unit could allow Renesas to raise capital and sharpen its focus on core markets, particularly automotive and industrial semiconductors — areas where it is a major global supplier.

Renesas has expanded aggressively in recent years through acquisitions to build a broader portfolio of analog and power management chips. The possible divestment reflects a wider industry trend of portfolio consolidation, as chipmakers seek to streamline operations and concentrate on growth areas.

Renesas to Cut Less Than 5% of Global Workforce Amid Sluggish Chip Demand

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Renesas Electronics, a Japanese chipmaker specializing in automotive semiconductors, has announced plans to reduce its global workforce by less than 5%, which translates to fewer than 1,000 jobs. The decision comes as the company faces weaker-than-expected demand for its chips. Renesas, whose clients include major automakers Toyota and Nissan, also revealed that it would cancel planned salary increases for employees, including executives, scheduled for this spring.

Although the company did not specify the exact number of job cuts, it stated that the layoffs were aimed at improving its ability to execute its long-term growth strategy, particularly in light of ongoing market softness. Renesas is known for its automotive chips but is also working to diversify its business. In February, the company announced plans to acquire electronics design firm Altium for $5.9 billion as part of its efforts to broaden its portfolio.

Renesas’ shares dropped by 3% during Tokyo trading on Wednesday, reflecting investor concerns over the company’s response to the current market conditions.