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ICS94225 Datasheet PDF

Integrated Circuit Solution ICS94225

The ICS94225 is a main clock synthesizer chip for AMD-K7 based systems with AMD 750/760 style chipsets. This provides all clocks required for such a system. The ICS94225 belongs to ICS new generation of programmable system clock generators.
Part No. ICS94225
Datasheet ICS94225 Download
Manufacturer
Integrated Circuit Solution
Description AMD-K7TM System Clock Chip
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ICS94225 datasheet page 1 preview

FEATURES

:
● 3 differential pair open drain CPU clocks (1.5V external pull-up; up to 150MHz achieviable through I2C)
● 2 - AGPCLK @ 3.3V
● 8 - PCI @3.3V, including 1 free running
● 1 - 48MHz @ 3.3V
● 1 - 24/48MHz @ 3.3V
● 2- REF @3.3V, 14.318MHz.

FEATURES

:
● Programmable ouput frequency
● Programmable ouput rise/fall time
● Programmable group skew
● Real time system reset output
● Spread spectrum for EMI control typically by 7dB to 8dB, with programmable spread percentage
● Watchdog timer technology to reset system if over-clocking causes malfunction
● Uses external 14.318MHz crystal **FS0/REF0 **FS1/REF1 GNDREF X1 X2 GNDPCI PCICLK_F PCICLK0 VDDPCI PCICLK1 PCICLK2 GNDPCI PCICLK3 PCICLK4 VDDPCI PCICLK5 PCICLK6 VDDAGP AGP0 AGP1 GNDAGP VDD48 48MHz SEL24_48#/24-48MHz Pin Configuration 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 VDDREF GNDSD SDRAM_OUT VDDSD RESERVED CPUCLKC2 CPUCLKT2 GNDCPU CPUCLKC1 CP...
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