SITIME Corp

SiTime Corporation is a leading provider of Precision Timing solutions to the global electronics industry. The company designs and manufactures semiconductor-based timing products that serve as the heartbeat of electronic systems, providing the clock signals and synchronization functionality required for reliable and accurate operation across diverse applications. SiTime's product portfolio encompasses oscillators, clock integrated circuits, resonators, and synchronization software, with over 40,000 unique part numbers shipped as of December 31, 2025.

The company operates a fabless business model, outsourcing manufacturing to third-party foundries including Bosch, TSMC, and UMC, while maintaining in-house expertise in MEMS design, analog mixed-signal circuit development, advanced system-level integration, and software. This approach provides production flexibility and allows SiTime to focus on design, marketing, and sales. The company's all-silicon solutions are based on four fundamental technical areas: micro-electro-mechanical systems, analog mixed-signal design, advanced system-level integration, and software.

SiTime's Precision Timing solutions address applications across communications, datacenter, enterprise, automotive, industrial, aerospace, defense, mobile, Internet of Things, and consumer markets. The company believes the total timing market is approximately eleven billion dollars in size and growing. Products have been designed into over four hundred applications. The company sells primarily through distributors, with major distributor customers including Arrow Electronics and Pernas Electronics, though the majority of Pernas sales are ultimately incorporated into products of Apple Inc., SiTime's largest end customer.

In December 2023, SiTime acquired clocking products and intellectual property from Aura Semiconductor, significantly expanding its presence in the clock IC market. In June 2025, the company launched TimeFabric Software suite for IEEE 1588 standards-compliant synchronization. In September 2025, SiTime announced the Titan Platform for standalone resonators. Most recently, in February 2026, the company entered into an agreement to acquire Renesas Electronics' timing business for approximately 1.5 billion dollars in cash and stock consideration. The company maintains research and development operations across the United States, Netherlands, Malaysia, Finland, Japan, Taiwan, Ukraine, and India.