This part is a kind of semiconductor called 9FGV0431.

Function of this product has 4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR.

Manufacturers : IDT

Image and pinout :

Some of the text within the PDF file :

4-OUTPUT VERY LOW POWER PCIE GEN1-2-3 CLOCK GENERATOR DATASHEET 9FGV0431 Description The 9FGV0431 is a 4-output very low power clock generator for PCIe Gen 1, 2 and 3 applications. The device has 4 output enables for clock management and supports 2 different spread spectrum levels in addition to spread off. Recommended Application PCIe Gen1-2-3 Clock Generator Output Features • 4 - 0.7V low-power HCSL-compatible (LP-HCSL) DIF pairs • 1 - 1.8V LVCMOS REF output w/Wake-On-Lan Key Specifications • DIF cycle-to-cycle jitter <50ps • DIF output-to-output skew <50ps • DIF phase jitter is PCIe Gen1-2-3 compliant • REF phase jitter is < 1.5ps RMS Block Diagram Features/Benefits • 1.8V operation; reduced power consuption • OE# pins; support DIF power management • LP-HCSL differe [ ... ]

9FGV0431 PDF Datasheet Download