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SY87700AL Datasheet

  • SY87700AL

  • Low-Power, 3.3V, 32Mbps to 208Mbps AnyRate Clock and Data Re...

  • 632.96KB

  • 16頁

  • MICREL   MICREL

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SY87700AL
Low-Power, 3.3V, 32Mbps to 208Mbps
AnyRate
廬
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鈥檚 web site at:
www.micrel.com.
AnyRate
廬
Features
鈥?/div>
3.3V power supply
鈥?/div>
SONET/SDH/ATM compatible
鈥?/div>
Clock and data recovery from 32Mbps up to
208Mbps NRZ data stream; clock generation from
32Mbps to 208Mbps
鈥?/div>
Two on-chip PLLs: one for clock generation and
another for clock recovery
鈥?/div>
Selectable reference frequencies
鈥?/div>
Differential PECL high-speed serial I/O
鈥?/div>
Line receiver input: no external buffering needed
鈥?/div>
Link fault indication
鈥?/div>
100K ECL-compatible I/O
鈥?/div>
Industrial temperature range (鈥?0擄C to +85擄C)
鈥?/div>
Low power: fully compatible with Micrel鈥檚 SY87700V,
but with 30% less power
鈥?/div>
Available in 32-pin EPAD-TQFP and 28-pin EPAD
SOIC packages, (28-pin SOIC is available, but NOT
recommended for new designs.)
Applications
鈥?/div>
SONET/SDH/ATM OC-1 and OC-3
鈥?/div>
Fast Ethernet, SMPTE 259
鈥?/div>
Proprietary architecture up to 208Mbps
AnyRate is a registered trademark of Micrel, Inc.
Micrel Inc. 鈥?2180 Fortune Drive 鈥?San Jose, CA 95131 鈥?USA 鈥?tel +1 (408) 944-0800 鈥?fax + 1 (408) 474-1000 鈥?http://www.micrel.com
November 2006
M9999-111406-B
hbwhelp@micrel.com
or (408) 955-1690

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