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ICS841664I Datasheet Femtoclock Crystal-to-hcsl Clock Generator

Manufacturer: Integrated Device Technology

Overview: www.DataSheet4U.com PRELIMINARY FEMTOCLOCK™ CRYSTAL-TO-HCSL CLOCK GENERATOR ICS841664I.

General Description

The ICS841664I is an optimized sRIO clock IC S generator and member of the HiPerClocks™ family HiPerClockS™ of high-performance clock solutions from IDT.

The device uses a 25MHz parallel crystal to generate 125MHz and 156.25MHz clock signals, replacing solutions requiring multiple oscillator and fanout buffer solutions.

The device has excellent phase jitter (< 1ps rms) suitable to clock components requiring precise and low-jitter sRIO clock signals.

Key Features

  • Four differential HCSL clock outputs: configurable for sRIO (125MHz or 156.25MHz) clock signals One REF_OUT LVCMOS/LVTTL clock output.
  • Selectable crystal oscillator interface, 25MHz, 18pF parallel resonant crystal or LVCMOS/LVTTL single-ended reference clock input.
  • Supports the following output frequencies: 125MHz or 156.25MHz.
  • VCO: 625MHz.
  • PLL bypass and output enable.
  • RMS phase jitter, using a 25MHz crystal (1.875MHz - 20MHz): 0.35ps (typi.

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