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Integrated Circuit Systems, Inc.
ICS9250-23
Frequency Generator & Integrated Buffers for Celeron & PII/III™
Recommended Application: 810/810E type chipset 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.