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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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Motor de Búsqueda de Datasheet de Componentes Electrónicos |
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ICS950405 Datasheet(PDF) 1 Page - Integrated Circuit Systems |
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ICS950405 Datasheet(HTML) 1 Page - Integrated Circuit Systems |
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1 / 16 page  Integrated Circuit Systems, Inc. ICS950405 0802F—04/22/05 Functionality 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. AMD - K8™ System Clock Chip CPU HTT PCI MHz MHz MHz 0 0 0 0 100.90 67.27 33.63 0 0 0 1 133.90 66.95 33.48 0 0 1 0 168.00 67.20 33.60 0 0 1 1 202.00 67.33 33.67 0 1 0 0 100.20 66.80 33.40 0 1 0 1 133.50 66.75 33.38 0 1 1 0 166.70 66.68 33.34 0 1 1 1 200.40 66.80 33.40 1 0 0 0 150.00 60.00 30.00 1 0 0 1 180.00 60.00 30.00 1 0 1 0 210.00 70.00 35.00 1 0 1 1 240.00 60.00 30.00 1 1 0 0 270.00 67.50 33.75 1 1 0 1 233.33 66.67 33.33 1 1 1 0 266.67 66.67 33.33 1 1 1 1 300.00 75.00 37.50 FS0 FS3 FS2 FS1 Pin Configuration *FS0/REF0 1 48 REF1/FS1* VDDHTT 2 47 GND X1 3 46 VDDREF X2 4 45 REF2/FS2* GND 5 44 Reset# *ModeA/HTTCLK0 6 43 VDDA *ModeB/PCICLK8/HTTCLK1 7 42 GND PCICLK9/HTTCLK2 8 41 CPUCLK8T0 VDDPCI 9 40 CPUCLK8C0 GND 10 39 GND PCICLK11/HTTCLK3 11 38 VDDCPU PCICLK10 12 37 CPUCLK8T1 PCICLK013 36CPUCLK8C1 PCICLK114 35VDDCPU GND 15 34 GND VDDPCI 16 33 GND PCICLK217 32PD#* PCICLK3 18 31 48MHz/FS3** VDDPCI 19 30 GND GND 20 29 AVDD48 2XPCICLK4 21 28 24_48MHz/Sel24_48#* 2XPCICLK5 22 27 GND 2XPCICLK6 23 26 SDATA 2XPCICLK7 24 25 SCLK 48-SSOP * Internal Pull-Up Resistor 2X This Output has 2X Default Drive and can be programmaed lower via IIC 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 I 2C Index read/write and block read/write operations. • Uses external 14.318MHz crystal. • Supports Hyper Transport Technology (HTTCLK). |
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