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Integrated Circuit Systems, Inc.
ICS9248-135
Frequency Generator & Integrated Buffers for Celeron & PII/III™& K6
Recommended Application: Motherboard Single chip clock solution for SIS540, SIS630 Pentium II/III and K6 chipsets. Output Features: • 3- CPUs @ 2.5/3.3V, up to 166MHz. • 10 - SDRAM @ 3.3V, up to 166MHz including 2 SDRAM_F's • 7- PCI @3.3V, • 1- 48MHz, @3.3V fixed. • 1- 24/48MHz, @3.3V selectable by I2C (Default is 24MHz). • 2- REF @3.3V, 14.318MHz. Features: • Up to 166MHz frequency support • Support FS0-FS3 trapping status bit for I2C read back. • Support power management: CPU, PCI, SDRAM stop and Power down Mode form I2C programming. • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%). • FS0, FS1, FS3 must have a internal 120K pull-Down to GND. • Uses external 14.
ICS9248-135 Datasheet
