ICS954101

www.DataSheet4U.com Integrated Circuit Systems, Inc. ICS954101 Programmable Timing Control Hub™ for Desktop P4™ Systems Recommended Application: CK410 clock, Intel Yellow Cover part Output Features: 2 - 0.7V current-mode differential CPU pairs 6 - 0.7V current-mode differential SRC pair for SATA and PCI-E 1 - 0.7V current-mode differential CPU/SRC selectable pair 6 - PCI (33MHz) 3 - PCICLK_F, (33MHz) free-running 1 - USB, 48MHz 1 - DOT, 96MHz, 0.7V current differential pair 1 - REF, 14.318MHz Key Specifications: CPU outputs cycle-cycle jitter < 85ps SRC output cycle-cycle jitter <125ps PCI outputs cycle-cycle jitter < 500ps +/- 300ppm frequency accuracy on CPU & SRC clocks Functionality FS_C1 0 0 0 0 1 1 1 1 FS_B2 FS_A2 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 CPU SRC MHz MHz 266.66 100.00 133.33 100.00 200.00 100.00 166.66 100.00 333.33 100.00 100.00 100.00 400.00 100.00 RESERVED PCI MHz 33.33 33.33 33.33 33.33 33.33 33.33 33.33 REF MHz 14.318 14.318 14.318 14.318 14.318 14.318 14.318 14.318 USB MHz 48.00 48.00 48.00 48.00 48.00 48.00 48.00 48.00 DOT MHz 96.00 96.00 96.00 96.00 96.00 96.00 96.00 96.00 Features/Benefits: Supports tight ppm accuracy clocks for Serial-ATA and PCI-Express Supports spread spectrum modulation, 0 to -0.5% down spread Supports CPU clks up to 400MHz Uses external 14.318MHz crystal, external crystal load caps are required for frequency tuning Supports undriven differential CPU, SRC pair in PD# for power management. Pin Co...