SiTime in talks to acquire Renesas timing unit in $2 billion deal

SiTime explores acquisition of Renesas timing unit

December 3, 2025 /SemiMedia/ — SiTime Corp., a U.S. analog chipmaker focused on timing solutions for data-center and networking equipment, is in discussions to acquire the timing business of Renesas Electronics, according to people familiar with the matter.

The talks involve a potential valuation of up to $2 billion including debt, the people said. Renesas’ timing unit supplies clock components used in wireless infrastructure, network systems and hyperscale data centers. The discussions are ongoing and there is no certainty a deal will be reached. Other bidders may also emerge, they added.

Strategic implications for SiTime

Although the transaction would be cross-border, SiTime maintains long-standing ties with Japan through MegaChips, which acquired the company more than a decade ago and later supported its listing. MegaChips still holds about 13% of SiTime. A successful acquisition would mark SiTime’s largest deal to date and strengthen its footprint in global timing and synchronization markets.