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SY87700AL

Status: In Production

Features:

  • 3.3V power supply
  • SONET/SDH/ATM compatible
  • Clock and data recovery from 32Mbps up to 208Mbps NRZ data stream; clock generation from 32Mbps to 208Mbps
  • Two on-chip PLLs: one for clock generation and another for clock recovery
  • Selectable reference frequencies
  • Differential PECL high-speed serial I/O
  • Line receiver input: no external buffering needed
  • Link fault indication
  • 100k ECL compatible I/O
  • Industrial temperature range (-40°C to +85°C)
  • Lower power: fully compatible with Micrel''s SY87700V, but with 30% less power
  • Available in 32-pin ePad-TQFP and 28-pin SOIC packages, (28-pin SOIC is available, but NOT recommended for new designs.)
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Device Overview

Summary

The SY87700AL is a complete clock recovery and data retiming integrated circuit for data rates from 32Mbps up to 208Mbps NRZ. The device is ideally suited for SONET/SDH/ATM applications and other high-speed data transmission systems. Clock recovery and data retiming is performed by synchronizing the on-chip VCO directly to the incoming data stream. The VCO center frequency is controlled by the reference clock frequency and the selected divide ratio. On-chip clock generation is performed through the use of a frequency multiplier PLL with a byte rate source as reference. The SY87700AL also includes a link fault detection circuit.

Additional Features
    • 3.3V power supply
    • SONET/SDH/ATM compatible
    • Clock and data recovery from 32Mbps up to 208Mbps NRZ data stream; clock generation from 32Mbps to 208Mbps
    • Two on-chip PLLs: one for clock generation and another for clock recovery
    • Selectable reference frequencies
    • Differential PECL high-speed serial I/O
    • Line receiver input: no external buffering needed
    • Link fault indication
    • 100k ECL compatible I/O
    • Industrial temperature range (-40°C to +85°C)
    • Lower power: fully compatible with Micrel's SY87700V, but with 30% less power
    • Available in 32-pin ePad-TQFP and 28-pin SOIC packages, (28-pin SOIC is available, but NOT recommended for new designs.)
Parametrics
Name
Value
Part Type
Clock and Data Recovery
Data Rate Capability
32-208
Power Supply (V)
3.3
Data Output Type
PECL

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