Microchip Symmetricom BC637PCIe

The Microchip Symmetricom BC637PCIe is a highly specialized PCIe time and frequency card designed for mission-critical applications that demand ultra-precise synchronization. Drawing on Symmetricom's heritage in high-accuracy timing, this card serves as a primary NTP server or precise clock source, interfacing with external timing signals such as IRIG-B and GPS. It delivers low-jitter timing and stable clock outputs directly to the host system, making it ideal for defense, aerospace, laboratory measurements, financial time-stamping, and power utility control systems. With nanosecond-level accuracy and holdover capability, the BC637PCIe ensures reliable and precise timing across your systems.

Brand

Microchip Technology (Symmetricom heritage)

Model

BC637PCIe

Function

High-precision time & frequency synchronization for computer systems

Parameters & Key Features

• Nanosecond-level timing accuracy using external timing sources (GPS, IRIG-B)
• PCIe interface — easy installation in standard servers and workstations
• Stable frequency output and holdover capability with onboard oscillator
• GPS / IRIG-B inputs and precision clock outputs for system synchronization

Typical Uses

• Time-stamping for high-precision data acquisition
• Telecom synchronization and timing distribution
• Laboratory and measurement systems requiring precise clocks
• High-frequency finance systems and other low-latency timing applications