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SY87700AL

Micrel Semiconductor
Part Number SY87700AL
Manufacturer Micrel Semiconductor
Description Clock and Data Recovery
Published Nov 27, 2006
Detailed Description SY87700AL Low-Power, 3.3V, 32Mbps to 208Mbps AnyRate® Clock and Data Recovery General Description The SY87700AL is a co...
Datasheet PDF File SY87700AL PDF File

SY87700AL
SY87700AL

Overview
SY87700AL Low-Power, 3.
3V, 32Mbps to 208Mbps AnyRate® Clock and Data Recovery General Description 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.
Data sheets and support documentation can be found on Micrel’s web site at: www.
micrel.
com.
Features AnyRate® • 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) • Low power: fully compatible with Micrel’s SY87700V, but with 30% less power • Available in 32-pin EPAD-TQFP and 28-pin EPAD SOIC packages, (28-pin SOIC is available, but NOT recommended for new designs.
) Applications • SONET/SDH/ATM OC-1 and OC-3 • Fast Ethernet, SMPTE 259 • Proprietary architecture up to 208Mbps AnyRate is a registered trademark of Micrel, Inc.
Micrel Inc.
• 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.
micrel.
com August 2009 M9999-082009-D hbwhelp@micrel.
com or (408) 955-1690 Micrel, Inc.
Ordering Information(1) Part Number SY87700ALZG(2) SY87700ALHG(2) Package Type Z28-1 H32-1 Operating Range...


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