General Description

The ICS9248-195 is the single chip clock solution for Notebook designs using the 440BX, MX, VIA PM/PL/PLE 133 style chip set, with Coppermine or Tualatin processor, for Note book applications. It provides all necessary clock signals for such a system.

Features:

• Up to 137MHz frequency support

• 97MHz to support high-end AMD processor.

• Support power management: CLK, PCI, stop and Power down Mode from I2C programming.

• Spread spectrum for EMI control

• Uses external 14.318MHz crystal

• FS pins for frequency select

Output Features:

• 4 - CPUs @ 2.5V/3.3V including 1 free running CPUCLK_F

• 9 - SDRAM @ 3.3V

• 7 - PCI @ 3.3V, including 1 free running PCICLK_F

• 1 - PCI Early @ 3.3V

• 1 - 48MHz, @ 3.3V fixed.

• 1 - 24/48MHz @ 3.3V

• 2 - REF @3.3V, 14.318MHz.