The DSC1001CE2-037.1250B is a 37.125 MHz MEMS-based XO (Standard) from Microchip's DSC1001 series, delivering a CMOS output with ±25 ppm frequency stability across its -20°C to +70°C operating range. Supply voltage spans 1.8V to 3.3V, so it can run off a 1.8V core rail or a 3.3V I/O rail without a separate regulator — the same BOM line covers both scenarios.
Active supply current is 7.2 mA max at 37.125 MHz, which is typical for a MEMS oscillator at this frequency and keeps the thermal footprint small in a 3.2 mm × 2.5 mm package.