ICS932S431A

Integrated Circuit Systems, Inc. ICS932S431A Datasheet PCIe Gen 2 and QPI Clock for Intel-based Servers Recommended Application: PCIe Gen 2 & QPI compliant CK410B (CK410B+) clock for Intel-based servers Output Features: 4 - 0.7V current-mode differential CPU pairs 5 - 0.7V current-mode differential SRC pair 4 - PCI (33MHz) 3 - PCICLK_F, (33MHz) free-running 1 - 48MHz 2 - REF, 14.318MHz Key Specifications: Low drift PCIe clocks for Non-Transparent Bridging (NTB) PCIe Gen 2 compliant SRC outputs QPI & FBD compliant CPU clocks CPU cycle-cycle jitter: < 50ps SRC cycle-cycle jitter: < 125ps PCI cycle-cycle jitter: < 500ps CPU output skew: < 50ps SRC output skew: < 250ps ± 100ppm frequency accuracy on all outputs Features/Benefits: Supports spread spectrum modulation, 0 to -0.5% down spread on CPU outputs Uses external 14.318MHz crystal and external load capacitors for low ppm synthesis error CPU clocks independent...