CY7B951_11 Datasheet, PDF (1/17 Pages) Cypress Semiconductor – Local Area Network ATM Transceiver

CY7B951
Local Area Network ATM Transceiver
Local Area Network ATM Transceiver
Features
■ SONET/SDH and ATM Compatible
■ Compatible with PMC-Sierra PM5345 SUNI™
■ Clock and data recovery from 51.84- or 155.52-MHz
datastream
■ 155.52-MHz clock multiplication from 19.44-MHz source
■ 51.84-MHz clock multiplication from 6.48-MHz source
■ 1% frequency agility
■ Line Receiver Inputs: No external buffering required
■ Differential output buffering
❐ 100K ECL compatible I/O
■ No output clock “drift” without data transitions
■ Link Status Indication
■ Loopback testing
■ Single +5 V supply
■ 24-pin SOIC
■ Compatible with fiber optic modules, coaxial cable, and twisted
pair media
■ No external PLL components
■ Power down options to minimize power or crosstalk
■ Low operating current: <65 mA
■ 0.8 µBiCMOS
■ Pb-free Packages Available
Functional Description
The Local Area Network ATM Transceiver is used in
SONET/SDH and ATM applications to recover clock and data
information from a 155.52-MHz or 51.84-MHz NRZ or NRZI
serial data stream and to provide differential data buffering for
the Transmit side of the system.
Logic Block Diagram
Cypress Semiconductor Corporation • 198 Champion Court
Document Number: 38-02010 Rev. *D
• San Jose, CA 95134-1709 • 408-943-2600
Revised November 9, 2011
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