Output Features:

• 2 - CPUs @ 2.5V

• 13 - SDRAM @ 3.3V

• 3 - 3V66 @ 3.3V

• 8 - PCI @3.3V

• 1 - 24/48MHz@ 3.3V

• 1 - 48MHz @ 3.3V fixed

• 1 - REF @3.3V, 14.318MHz

Features/Benefits:

• Programmable output frequency.

• Programmable output divider ratios.

• Programmable output rise/fall time.

• Programmable output skew.

• Programmable spread percentage for EMI control.

• Watchdog timer technology to reset system

if system malfunctions.

• Programmable watch dog safe frequency.

• Support I2

C Index read/write and block read/write

operations.

• Uses external 14.318MHz crystal.

Key Specifications:

• CPU Output Jitter: <250ps

• IOAPIC Output Jitter: <500ps

• 48MHz, 3V66, PCI Output Jitter: <500ps

• Ref Output Jitter. <1000ps

• CPU Output Skew: <175ps

• PCI Output Skew: <500ps

• 3V66 Output Skew <175ps

• For group skew timing, please refer to the

Group Timing Relationship Table.