Recommended Application:

Output Features:

• 2- CPUs @2.5V, up to 155MHz.

• 9 - SDRAM @ 3.3V, up to 155MHz.

• 8 - PCICLK @ 3.3V

• 1 - IOAPIC @ 2.5V,

• 2 - 3V66MHz @ 3.3V

• 2- 48MHz, @3.3V fixed.

• 1- 24/48MHz, @3.3V

• 1- REF @3.3V, 14.318MHz.

Features:

• Up to 155MHz frequency support

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

• Support power management: Power down Mode from I2C

programming.

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

• Uses external 14.318MHz crystal

Skew Specifications:

• CPU – CPU: <175ps

• SDRAM - SDRAM: < 250ps

• 3V66 – 3V66: <175ps

• PCI – PCI: <500ps

• For group skew specification, please refer to group

timing relationships table.