General Description

The ICS9248-112 is the single chip clock solution for designs using the 810/810E style chipset. It provides all necessary clock singles for usch a system.

Output Features:

• 2- CPUs @2.5V, up to 150MHz.

• 9 - SDRAM @ 3.3V, up to150MHz including 1 free running

• 8 - PCICLK @ 3.3V

• 1 - IOAPIC @ 2.5V, PCI or PCI/2 MHz

• 2 - 3V66MHz @ 3.3V, 2X PCI MHz

• 1- 48MHz, @3.3V fixed.

• 1- 24MHz, @3.3V fixed

• 1- REF @3.3V, 14.318MHz.

Features:

• Up to 166MHz frequency support

• Support FS0-FS3 strapping status bit for I2C read back.

• Support power management: Through Power down Mode from I2C programming.

• Spread spectrum for EMI control ( ± 0.25 center).

• Spread can be enabled or disabled to all 32 frequencies throuth I2C.

• Uses external 14.318MHz crystal

Recommended Application:

810/810E type chipset.