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W150 - 440BX AGPset Spread Spectrum Frequency Synthesizer

General Description

CPU Outputs 1 and 2: Frequency is set by the FS0:3 inputs or through serial input O interface, see Tables 2 and 6.

These outputs are affected by the CLK_STOP# input.

Free-Running CPU Output: Frequency is set by the FS0:3 inputs or through serial O input interface, see Tables 2 and 6.

Key Features

  • Maximized EMI suppression using Cypress’s Spread Spectrum Technology.
  • Single chip system frequency synthesizer for Intel® 440BX AGPset.
  • Three copies of CPU output.
  • Seven copies of PCI output.
  • One 48-MHz output for USB / One 24-MHz for SIO.
  • Two buffered reference outputs.
  • Two IOAPIC outputs.
  • 17 SDRAM outputs provide support for 4 DIMMs.
  • Supports frequencies up to 150 MHz.
  • I2C™ interface for programming.

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Other Datasheets by Cypress (now Infineon)

Part Number Description
W152 Spread Aware/ Eight Output Zero Delay Buffer
W155 Spread Spectrum Frequency Timing Generator
W158 Spread Spectrum System Frequency Synthesizer

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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PRELIMINARY W150 440BX AGPset Spread Spectrum Frequency Synthesizer Features • Maximized EMI suppression using Cypress’s Spread Spectrum Technology • Single chip system frequency synthesizer for Intel® 440BX AGPset • Three copies of CPU output • Seven copies of PCI output • One 48-MHz output for USB / One 24-MHz for SIO • Two buffered reference outputs • Two IOAPIC outputs • 17 SDRAM outputs provide support for 4 DIMMs • Supports frequencies up to 150 MHz • I2C™ interface for programming • Power management control inputs Table 1. Mode Input Table Mode 0 1 Table 2.