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SY69952

Status: Samples Available

Features:

  • A complete ATM compatible single chip Transmitter and Receiver
  • Seamless operation with PMC-Sierra PM5345, VLSI VNS67200, IgT WAC-013-B/WAC-413-A and NEC µPD98402 UNI Processors
  • Supports clock and data recovery from 51.84Mbps or 155.52Mbps NRZ or NRZI data stream
  • 155.52MHz clock multiplication from 19.44MHz source or 51.84MHz clock multiplication from 6.48MHz source
  • Line Receiver Inputs: No external buffering needed
  • Differential output buffering
  • Link Status Indication
  • Loop-back testing
  • 100K ECL compatible I/O
  • Single +5V power supply
  • Replacement for Cypress CY7B952
  • The SY69952 complies with Bellcore, ITU/CCITT and ANSI specifications
  • Available in 28-pin SOIC package
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Device Overview

Summary

High-Bandwidth's SY69952 contains fully integrated transmitter and receiver functions designed to provide clock recovery and generation for either 51.84Mbit/s OC/STS-1 or 155.52Mbps OC/STS-3 SONET/SDH (SY69952) and ATM applications. On-chip clock generation is performed by a low-jitter phase-locked loop (PLL) allowing use of 19.44MHz reference for 155.52MHz generation or a 6.48MHz reference for 51.84MHz generation. Clock recovery is performed by synchronizing the on-chip VCO directly to the incoming data stream. The SY69952 meets the jitter compliance criteria of Bellcore, ITU/CCITT and ANSI standards. Low jitter is ensured by Micrel's advanced PLL technology and positive ECL (PECL) I/O. High-Bandwidth's circuit design techniques coupled with ASSET™ bipolar technology result in ultra-fast performance with low noise and low power dissipation.

Additional Features
    • A complete ATM compatible single chip Transmitter and Receiver
    • Seamless operation with PMC-Sierra PM5345, VLSI VNS67200, IgT WAC-013-B/WAC-413-A and NEC µPD98402 UNI Processors
    • Supports clock and data recovery from 51.84Mbps or 155.52Mbps NRZ or NRZI data stream
    • 155.52MHz clock multiplication from 19.44MHz source or 51.84MHz clock multiplication from 6.48MHz source
    • Line Receiver Inputs: No external buffering needed
    • Differential output buffering
    • Link Status Indication
    • Loop-back testing
    • 100K ECL compatible I/O
    • Single +5V power supply
    • Replacement for Cypress CY7B952
    • The SY69952 complies with Bellcore, ITU/CCITT and ANSI specifications
    • Available in 28-pin SOIC package

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