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ICS9148-53 Datasheet Frequency Generator & Integrated Buffers

Manufacturer: Integrated Circuit Systems

Overview: Integrated Circuit Systems, Inc. ICS9148-53 Frequency Generator & Integrated Buffers for Mother.

General Description

The ICS9148-53 generates all clocks required for high speed RISC or CISC microprocessor systems such as Intel PentiumPro, AMD or Cyrix.

Sixteen different reference frequency multiplying factors are externally selectable with smooth frequency transitions.

Spread spectrum may be enabled through I2C programming.

Key Features

  • • Generates the following system clocks: - 3 CPU(2.5V/3.3V) up to 150MHz. - 7 PCI(3.3V) (including one free running PCICLK) - 2AGP(3.3V) @ 2 x PCI - 13 SDRAMs(3.3V) up to 150MHz - 1 REF (3.3V) @ 14.318MHz - 1 Fixed clock 3.3V @ 48MHz Skew characteristics: - CPU – CPU.

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