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ICS9148-111 - Frequency Generator & Integrated Buffers

General Description

Ref (0:2), XTAL power supply, nominal 3.3V 14.318 Mhz reference clock.

Indicates whether VDDL2 is 3.3V or 2.5V.

High=2.5V CPU, LOW=3.3V C P U 1.

Key Features

  • 3 - CPUs @ 2.5V/3.3V, up to 100MHz.
  • 3 - AGPCLK @ 3.3V.
  • 13 - SDRAM @ 3.3V, up to 100MHz.
  • 6 - PCI @ 3.3V, including one free running.
  • 1 - 48MHz, @ 3.3V fixed.
  • 1 - REF @ 3.3V, 14.318MHz. Features:.
  • Up to 100MHz frequency support.
  • Support power management: CPU, PCI, AGP stop and, Power down Mode from I2C programming.
  • Spread spectrum for EMI control (0 to -0.6%, ± 0.25%).
  • Uses external 14.318MHz crystal.

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Datasheet Details

Part number ICS9148-111
Manufacturer Integrated Circuit Systems
File Size 710.08 KB
Description Frequency Generator & Integrated Buffers
Datasheet download datasheet ICS9148-111 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. ICS9148-111 Frequency Generator & Integrated Buffers for PENTIUM/ProTM Recommended Application: ALI (Aladdin V™ ) mobile. Output Features: • 3 - CPUs @ 2.5V/3.3V, up to 100MHz. • 3 - AGPCLK @ 3.3V • 13 - SDRAM @ 3.3V, up to 100MHz. • 6 - PCI @ 3.3V, including one free running. • 1 - 48MHz, @ 3.3V fixed. • 1 - REF @ 3.3V, 14.318MHz. Features: • Up to 100MHz frequency support • Support power management: CPU, PCI, AGP stop and, Power down Mode from I2C programming. • Spread spectrum for EMI control (0 to -0.6%, ± 0.25%). • Uses external 14.