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FS781 - (FS781 - FS784) Low EMI Spectrum Spread Clock

Description

The Cypress FS781/82/84 are Spread Spectrum clock generator ICs (SSCG) designed for the purpose of reducing electromagnetic interference (EMI) found in today’s high-speed digital systems.

Features

  • Spread Spectrum clock generator (SSCG) with 1×, 2×, and 4× outputs.
  • 6- to 82-MHz operating frequency range.
  • Modulates external clocks including crystals, crystal oscillators, or ceramic resonators.
  • Programmable modulation with simple R-C external loop filter (LF).
  • Center spread modulation.
  • 3V-5V power supply.
  • TTL-/CMOS-compatible outputs.
  • Low short-term jitter.
  • Low-power Dissipation.
  • 3.3 VDC = 37 mW.

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Other Datasheets by Cypress (Infineon)

Part Number Description
FS782 Low EMI Spectrum Spread Clock
FS784 Low EMI Spectrum Spread Clock

Full PDF Text Transcription

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www.DataSheet4U.com FS781/82/84 Low EMI Spectrum Spread Clock Features • Spread Spectrum clock generator (SSCG) with 1×, 2×, and 4× outputs • 6- to 82-MHz operating frequency range • Modulates external clocks including crystals, crystal oscillators, or ceramic resonators • Programmable modulation with simple R-C external loop filter (LF) • Center spread modulation • 3V-5V power supply • TTL-/CMOS-compatible outputs • Low short-term jitter • Low-power Dissipation — 3.3 VDC = 37 mW – typical — 5.0 VDC = 115 mW – typical • Available in 8-pin SOIC and TSSOP packages Functional Description The Cypress FS781/82/84 are Spread Spectrum clock generator ICs (SSCG) designed for the purpose of reducing electromagnetic interference (EMI) found in today’s high-speed digital systems.
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