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843N571I - NG Clock Synthesizer

Datasheet Summary

Description

The 843N571I is a PLL based clock synthesizer for use in Ethernet applications.

The device uses IDT’s fourth generation FemtoClock® NG technology for optimal high clock frequency and low phase noise performance, combined with a low power consumption and high power supply noise rejection.

Features

  • Fourth generation FemtoClock® Next Generation (NG) technology.
  • Seven single-ended LVCMOS outputs, 30 output impedance.
  • Three LVPECL output pairs One differential LVPECL (QA, nQA) output pair: 156.25MHz Two selectable differential LVPECL output pairs (QB, nQB and QC, nQC): 100MHz and 125MHz.
  • One single-ende.

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Datasheet preview – 843N571I

Datasheet Details

Part number 843N571I
Manufacturer IDT
File Size 531.73 KB
Description NG Clock Synthesizer
Datasheet download datasheet 843N571I Datasheet
Additional preview pages of the 843N571I datasheet.

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Full PDF Text Transcription

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FemtoClock® NG Clock Synthesizer 843N571I Datasheet Description The 843N571I is a PLL based clock synthesizer for use in Ethernet applications. The device uses IDT’s fourth generation FemtoClock® NG technology for optimal high clock frequency and low phase noise performance, combined with a low power consumption and high power supply noise rejection. Using IDT’s latest FemtoClock NG PLL technology, the 843N571I achieves <0.3ps RMS phase jitter performance. 843N571I can synthesize 100MHz, 125MHz, 156.25MHz and a low frequency 33.33MHz CPU clock from a single device. Six LVCMOS outputs also serve as additional buffering of the 25MHz crystal reference.
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