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CY25560: Spread Spectrum Clock Generator | Cypress Semiconductor

CY25560: Spread Spectrum Clock Generator

Last Updated: 
Jun 09, 2020


  • 25 MHz to 100 MHz Operating Frequency Range
  • Nine different Spread Select options
  • Accepts Clock and Crystal Inputs
  • Low Power Dissipation:
    • 56 mW at Fin = 25 MHz
    • 89 mW at Fin = 65 MHz
    • 139 mW at Fin = 100 MHz
  • Frequency Spread Disable Function
  • Center Spread Modulation
  • For more, see pdf
General Description
The Cypress CY25560 is a spread spectrum clock generator (SSCG) IC used to reduce the EMI found in today’s high-speed digital electronic systems.
The CY25560 uses Cypress’s proprietary phase-locked loop (PLL) and spread spectrum clock (SSC) technology to synthesize and frequency modulate the input frequency of the reference clock. By frequency modulating the clock, the measured EMI at the fundamental and harmonic frequencies of clock (SSCLK) is greatly reduced.