SiTime Corporation Ruggedized MHz Super-TCXOs SiT5349AE-FR-33E0A100.000000

The SiT5349 is a 5.0 mm × 3.2 mm ultra-precision MEMS Super-TCXO designed for high-reliability applications in defense, space, and avionics, offering ±50 ppb frequency stability over temperature and an acceleration sensitivity of 0.009 ppb/g or 0.1 ppb/g. It supports output frequencies from 60.000001 MHz to 189 MHz and 208 MHz to 220 MHz in 1 Hz steps, with LVCMOS output and supply voltages of 2.5 V, 2.8 V, 3.0 V, or 3.3 V. The device integrates on-chip regulators to eliminate external LDOs, features shock survivability greater than 30,000 g, and includes an I2C interface for digital frequency control with 5 ppt resolution in DCTCXO mode. It is RoHS and REACH compliant, Pb-free, halogen-free, and antimony-free.