Output Features:
• 2 - CPUs @ 2.5V, up to 166MHz.
• 13 - SDRAM @ 3.3V, up to 166MHz.
• 2 - 3V66 @ 3.3V, 2x PCI MHz.
• 8 - PCI @3.3V.
• 1 - 48MHz, @3.3V fixed.
• 1 - 24MHz @ 3.3V
• 2 - REF @3.3V, 14.318MHz.
Features:
• Up to 166MHz frequency support
• Support power management through PD#.
• Spread spectrum for EMI control (± 0.25%)
center spread.
• Uses external 14.318MHz crystal
• FS pins for frequency select
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.