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W155 - Spread Spectrum Frequency Timing Generator

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Overview

W155 Spread Spectrum Frequency Timing Generator.

Key Features

  • Generates a spread spectrum timing signal (SYSCLK) and a non-spread signal (USBCLK).
  • Requires a 14.318-MHz crystal for operation.
  • Supports MIPS microprocessor clock frequencies.
  • Reduces peak EMI by as much as 12 dB.
  • Integrated loop filter components.
  • Cycle-to-cycle jitter = 250 ps (max).
  • Operates with a 3.3 or 5.0V power supply.
  • Spread output is selectable from 10 to 133 MHz.
  • TEST mode supports modulation off (High.

More Datasheets from Cypress (now Infineon)

Part Number Description
W150 440BX AGPset Spread Spectrum Frequency Synthesizer
W152 Spread Aware/ Eight Output Zero Delay Buffer
W158 Spread Spectrum System Frequency Synthesizer