Clock and Data Recovery (CDR)
  • GN1113
  • 8.5 Gbps Fibre Channel Rx Repeater
  • GN1114
  • 8.5 Gb/s CDR with Equalizer Input and VCSEL Driver
  • GN2003S
  • 9.95 - 11.3 Gb/s Limiting Amplifier plus Clock and Data Recovery
  • GN2004S
  • 9.95 - 11.3 Gb/s Equalizer plus Clock and Data Recovery
  • GN2010D
  • Dual 8.5G & 10G CDR with integrated DML driver and limiting amplifier
  • GN2010E
  • Dual 8.5G & 10G CDR with intergrated EML driver and limiting amplifier
  • GN2012
  • Dual 8.5G & 10G CDR with integrated limiting amplifier
  • GN2013A
  • Limiting Amplifier plus Clock and Data Recovery IC with Manual Slice Level Adjust
Semtech GN2406

Semtech GN2406

Quad 10Gb/s CDR with Transmit De-Emphasis

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The GN2406 is a quad repeater/re-timer device designed to enhance the reach and robustness of high speed serial links by compensating for transmission losses and re-setting the crosstalk and jitter budget.

The GN2406 features Gennum’s proven reference-free CDR architecture which simplifies system design and reduces overall cost. Each channel supports independent locking to data rates from 9.95 - 11.3Gb/s. To enable backward compatibility with legacy data rates, half rate (5Gb/s) and quarter rate (2.5Gb/s) operation is also supported. Other rates can be supported using the re-timer bypass feature.

High sensitivity limiting amplifiers at the input make this device suitable for use in optical modules. Gennum’s proprietary CLEAREDGE™ technology ensures extremely low output jitter. Copper cable or backplane trace losses of up to 28dB can be compensated using the output de-emphasis capability.

Features


  • Automatic locking from 9.95Gb/s to 11.3Gb/s
  • Automatic rate detect for quarter rate (2.5Gb/s) and half rate (5Gb/s) modes
  • Re-timer bypass up to 11.3Gb/s
  • No reference clock required
  • Integrated limiting amplifier, with 10mV to 1600mV differential input voltage range
  • Programmable output, with 400mV to 800mV differential output voltage range
  • Independent channel operation
  • De-emphasis to compensate up to 28dB of loss
  • Polarity inversion
  • I2C control interface
  • Automatically loads configuration data from E2PROM
  • Loss of signal detect with adjustable threshold
  • Low power dissipation
  • Single 3.3V supply
  • 7x7mm, 48-pin QFN package

Applications


  • Active Copper Cable assemblies and optical modules for:
    • Infiniband® SDR/DDR/QDR
    • 40Gb/s and 100Gb/s Ethernet
  • Re-timer on line card for:
    • QSFP modules
    • Parallel optical modules
    • SFP+ modules
  • 10Gb/s serial backplane retimer

Order Codes

Part No

Package

GN2406-INE3

48 pin QFN

 
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