General Description

The ICS9248-138 is the single chip clock solution for designs using the 810/810E and Solano style chipset. It provides all necessary clock signal for such a system.

Output Features:

• 2- CPUs @ 2.5V

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

• 7 - PCICLK @ 3.3V

• 1 - IOAPIC @ 2.5V,

• 3 - 3V66MHz @ 3.3V

• 2 - 48MHz, @ 3.3V fixed.

• 1 - 24/48MHz, @3.3V selectable by I2C

• 1 - REF @v3.3V, 14.318MHz.

Features:

• Up to 200MHz frequency support

• Support FS0-FS4 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).

• Uses external 14.318MHz crystal

Recommended Application:

810/810E and Solano type chipset.