932SQ420D

PCIE GEN 2/3 & QPI CLOCK FOR ROMLEY-BASED SERVERS DATASHEET 932SQ420D General Description The 932SQ420D is a main clock synthesizer for Romley-generation Intel based server platforms. The 932SQ420D is driven with a 25 MHz crystal for maximum performance. It generates CPU outputs of 100 or 133.33 MHz. Recommended Application CK420BQ Output Features 4 - HCSL CPU outputs 4 - HCSL Non-Spread SAS/SRC outputs 3 - HCSL SRC outputs 1 - HCSL DOT96 output 1 - 3.3V 48M output 5 - 3.3V PCI outputs 1- 3.3V REF output Block Diagram Features/Benefits 0.5% down spread capable on CPU/SRC/PCI outputs/Lower EMI 64-pin TSSOP and MLF packages/Space Savings Key Specifications Cycle to cycle jitter: CPU/SRC/NS_SRC/NS_SAS < 50ps. Phase jitter: PCIe Gen2 < 3ps rms, Gen3 < 1ps rms Phase jitter: QPI 9.6GB/s < 0.2ps rms Phase jitter: NS-SAS < 0.4ps rms using raw phase data Phase jitter: NS-SAS < 1.3ps rms using Clk Jit Tool 1.6.3 X1_25 X2 CPU_SRC_PCI PL...