General Description
The ICS94236 is a main clock synthesizer chip for AMD-K7 based systems with VIA style chipset. This provides all clocks required for such a system.
FEATUREs:
• Programmable ouput frequency.
• Programmable ouput rise/fall time.
• Programmable PCI_F and PCICLK skew.
• 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.
• FS pins for frequency select
Output Features:
• 1 - Differential pair open drain CPU clocks
• 1 - CPU clock @ 3.3V
• 13 - SDRAM @ 3.3V
• 6 - PCI @3.3V,
• 1 - 48MHz, @3.3V fixed.
• 1 - 24/48MHz @ 3.3V
• 2 - REF @3.3V, 14.318MHz.
Recommended Application:
VIA KX/KT133 style chipset