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Integrated Circuit Systems, Inc.
ICS9250-22
Frequency Generator for P IV™
Recommended Application: P IV Chipset Support Output Features: • 4 Differential CPU Clock Pairs @ 3.3V • 2 - 3V MREF clocks for memory reference seeds, (separate single ended but 180 degrees out of phase) • 4 - 66MHz reference output • 10 - 3V 33MHz PCI clocks • 2 - 48MHz clocks • 2 - 14.318 reference output Features: • Support power management: Power Down Mode • Supports Spread Spectrum modulation: 0 to -0.5% down spread. • Uses external 14.318MHz crystal • Select logic for Differential Swing Control, Test mode, Tristate, Power down, Spread Spectrum, limited frequency select, selective clock enable.
ICS9250-22 Datasheet
