Output Features:

• 2 - CPUs @ 2.5V, up to 133MHz.

• 13 - SDRAM @ 3.3V, up to 133MHz.

• 3 - 3V66 @ 3.3V, 2x PCI MHz.

• 8 - PCI @ 3.3V

• 1 - 48MHz, @ 3.3V fixed

• 1 - 24/48MHz @ 3.3V

• 1 - REF @ 3.3V, 14.318MHz.

• 1 - IOAPIC @ 2.5V 16.67MHz.

Features:

• Support PC133 SDRAM.

• Up to 133MHz frequency support

• Support power management through PD#

• Spread spectrum for EMI control

(± 0.25% Center Spread or 0 to -0.5% down spread)

• Uses external 14.318MHz crystal

• FS pins for frequency select

Key Specifications:

• CPU Output Jitter: <250ps

• CPU Output Skew: <175ps

• PCI Output Skew: <500ps

• 3V66 Output Skew <175ps

• For group skew timing, please refer to the

Group Timing Relationship Table.