LMK3H0102-Q1 by Texas Instruments
The LMK3H0102-Q1 is a 2-output PCIe Gen 1 to Gen 7 compliant reference-less clock generator with Spread Spectrum Clocking (SSC) support. The part is based on TI proprietary Bulk Acoustic Wave (BAW) technology and provides ±25ppm clock outputs without any crystal or external clock reference.