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9250-08 - ICS9250-08

General Description

14.318 MHz reference clock output L a t c h e d f r e q u e n cy s e l e c t i n p u t .

H a s p u l l - u p t o V D D P C I 14.318MHz reference clock output Halts PCICLK [5:0] at logic "0" level when low.

(in mobile, MODE=0) Ground.

Key Features

  • 3 - CPUs @2.5V, up to 150MHz.
  • 17 - SDRAM @ 3.3V, up to 150MHz.
  • 7 - PCI @3.3V.
  • 2 - IOAPIC @ 2.5V.
  • 1 - 48MHz, @3.3V fixed.
  • 1 - 24MHz @ 3.3V.
  • 2 - REF @3.3V, 14.318MHz. Features:.
  • Up to 150MHz frequency support.
  • Support power management: CPU, PCI, stop and Power down Mode form I2C programming.
  • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%).
  • Uses external 14.318MHz crystal Key Specificatio.

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Datasheet Details

Part number 9250-08
Manufacturer Integrated Circuit Systems
File Size 395.15 KB
Description ICS9250-08
Datasheet download datasheet 9250-08 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Integrated Circuit Systems, Inc. ICS9250-08 Frequency Generator & Integrated Buffers for Celeron & PII/III™ Recommended Application: BX, Appollo Pro 133 type of chip set. Output Features: • 3 - CPUs @2.5V, up to 150MHz. • 17 - SDRAM @ 3.3V, up to 150MHz. • 7 - PCI @3.3V • 2 - IOAPIC @ 2.5V • 1 - 48MHz, @3.3V fixed. • 1 - 24MHz @ 3.3V • 2 - REF @3.3V, 14.318MHz. Features: • Up to 150MHz frequency support • Support power management: CPU, PCI, stop and Power down Mode form I2C programming. • Spread spectrum for EMI control (0 to -0.5%, ± 0.25%). • Uses external 14.