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SM802105 - LVPECL Frequency Synthesizer

Description

The SM802105 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise timing solution for 10GbE Ethernet clock signals.

It is based upon a unique patented RotaryWave® architecture that provides very-low phase noise.

Features

  • Generates one or two LVPECL clock outputs at 156.25MHz or 312.5MHz.
  • 2.5V or 3.3V operating range.
  • Typical phase jitter @ 156.25MHz (1.875MHz to 20MHz): 110fs.
  • Industrial temperature range.
  • Green, RoHS, and PFOS compliant.
  • Available in 24-pin 4mm × 4mm QFN package.

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Datasheet preview – SM802105

Datasheet Details

Part number SM802105
Manufacturer Micrel Semiconductor
File Size 381.92 KB
Description LVPECL Frequency Synthesizer
Datasheet download datasheet SM802105 Datasheet
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Full PDF Text Transcription

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www.DataSheet.co.kr SM802105 ClockWorks™ 10GbE (156.25MHz, 312.5MHz), Ultra-Low Jitter, LVPECL Frequency Synthesizer General Description The SM802105 is a member of the ClockWorks™ family of devices from Micrel and provides an extremely low-noise timing solution for 10GbE Ethernet clock signals. It is based upon a unique patented RotaryWave® architecture that provides very-low phase noise. The device operates from a 3.3V or 2.5V power supply and synthesizes LVPECL output clocks at 156.25MHz or 312.5MHz. There are normally two clock outputs but one output can be achieved by powering down the second output with the OE pin. The SM802105 accepts a 25MHz crystal or LVCMOS reference clock. Data sheets and support documentation can be found on Micrel’s web site at: www.micrel.com.
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