ICS952607

Integrated Circuit Systems, Inc. ICS952607 Advance Information Programmable Timing Control Hub™ for Next Gen P4™ processor Recommended Application: CK409 Compliant clock for Next Gen P4 Processor Output Features: 2 - 0.7V current-mode differential CPU pairs 1 - 0.7V current-mode differential SRC pair 9 - PCI, 3 free running, 33MHz 3 - REF, 14.318MHz 3 - 3V66, 66.66MHz 1 - VCH/3V66, selectable 48MHz or 66MHz 2 - 48MHz 1 - 24/48MHz Key Specifications: CPU/SRC outputs cycle-cycle jitter < 125ps 3V66 outputs cycle-cycle jitter < 250ps PCI outputs cycle-cycle jitter < 250ps +/- 300ppm frequency accuracy on CPU & SRC clocks Features/Benefits: QuadRomTM frequency selection. Programmable output frequency. Programmable asynchronous 3V66&PCI frequency. Programmable output divider ratios. Programmable output rise/fall time. Programmable output skew. Programmable spread percentage for EMI control. Watchdog timer technology to reset system if system malfunctions. Programmable watch dog safe frequency. Support I2C Index read/write and block read/write operations. Uses external 14.318MHz reference input. Supports tight ppm accuracy clocks for Serial-ATA Supports spread spectrum modulation, 0 to -0.5% down spread and +/- 0.25% center spread Supports CPU clks up to 400MHz Functionality Bit4 Bit3 Bit2 Bit1 Bit0 CPU FS4 FS3 FS2 FS1 FS0 MHz 100.00 0 0 0 0 0 200.00 0 0 0 0 1 133.33 0 0 0 1 0 166.67 0 0 0 1 1 0 0 1 0 0 200.00 0 0 1 0 1 400.00 ...