ICS950405

ICS950405 AMD - K8™ System Clock Chip Recommended Application: AMD K8 System Clock with AMD, VIA or ALI Chipset Output Features: 2 - Differential pair push-pull CPU clocks @ 3.3V 9 - PCICLK (Including 1 free running) @ 3.3V 3 - Selectable PCICLK/HTTCLK @ 3.3V 1 - HTTCLK @ 3.3V 1 - 48MHz @ 3.3V fixed. 1 - 24/48MHz @ 3.3V 3 - REF @ 3.3V, 14.318MHz. Features: Programmable output frequency. Programmable output divider ratios. Programmable output rise/fall time. Programmable output skew. Programmable spread percentage for EMI control. Watchdog timer technology and RESET# output 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 crystal. Supports Hyper Transport Technology (HTTCLK). Functionality FS3 FS2 FS1 FS0 CPU MHz HTT MHz 0 0 0 0 100.90 67.27 0 0 0 1 133.90 66.95 0 0 1 0 168.00 67.20 0 0 1 1 202.00 67.33 0 1 0 0 100.20 66.80 0 1 0 1 133.50 66.75 0 1 1 0 166.70 66.68 0 1 1 1 200.40 66.80 1 0 0 0 150.00 60.00 1 0 0 1 180.00 60.00 1 0 1 0 210.00 70.00 1 0 1 1 240.00 60.00 1 1 0 0 270.00 67.50 1 1 0 1 233.33 66.67 1 1 1 0 266.67 66.67 1 1 1 1 300.00 75.00 PCI MHz 33.63 33.48 33.60 33.67 33.40 33.38 33.34 33.40 30.00 30.00 35.00 30.00 33.75 33.33 33.33 37.50 Pin Configuration *FS0/REF0 1 VDDHTT 2 X1 3 X2 4 GND 5 *ModeA/HTTCLK0 6 *ModeB/PCICLK8/HTTCLK1 7 PCICLK9/H...