The DSC1001DE1-027.0000 is a 27 MHz MEMS-based XO (Standard) oscillator from Microchip Technology, delivering a CMOS output in a 4-SMD, no-lead package.
Operating from 1.8V to 3.3V, the oscillator covers the common logic rails without an external LDO — useful when the same BOM must span 1.8V and 3.3V domains.
Temperature range and frequency stability
Rated for -20°C to 70°C with ±50 ppm frequency stability, the oscillator holds the clock within tight tolerance across the commercial temperature band — adequate for most indoor and automotive cabin electronics.