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IMIFS791 - (IMIFS791/92/94) Low EMI Spectrum Spread Clock

Description

Pin 1,2 Name Xin/Xout I/O I/O Type analog Description Pins form an on-chip reference oscillator when connected to terminals of an external parallel resonant crystal.

XIN may be connected to TTL/CMOS external clock other than crystal, leave XOUT (pin 2) unconnected.

Features

  • Spread Spectrum Clock Generator (SSCG) with 1x, 2x and 4x outputs.
  • 80- to 140-MHz operating frequency range.
  • Modulates external clocks including crystals, crystal oscillators, and ceramic resonators.
  • Programmable modulation with simple R-C external loop filter (LF).
  • Center spread modulation.
  • 3.
  • 5 Volt power supply.
  • TTL/CMOS compatible outputs.
  • Low short-term jitter.
  • Low Power Dissipation;.
  • 3.3 VDC =.

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Full PDF Text Transcription

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92/94 www.DataSheet4U.com FS791/92/94 Low EMI Spectrum Spread Clock Features • Spread Spectrum Clock Generator (SSCG) with 1x, 2x and 4x outputs • 80- to 140-MHz operating frequency range • Modulates external clocks including crystals, crystal oscillators, and ceramic resonators • Programmable modulation with simple R-C external loop filter (LF) • Center spread modulation • 3–5 Volt power supply • TTL/CMOS compatible outputs • Low short-term jitter • Low Power Dissipation; — 3.3 VDC = 73 mW—typical — 5.0 VDC = 225 mW—typical • Available in 8-pin SOIC package .
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