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XRT91L30 Datasheet(PDF) 2 Page - Exar Corporation

Part # XRT91L30
Description  STS12-STM4 OR STS3-STM1 SONET-SDH Transceiver
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT91L30 Datasheet(HTML) 2 Page - Exar Corporation

  XRT91L30_10 Datasheet HTML 1Page - Exar Corporation XRT91L30_10 Datasheet HTML 2Page - Exar Corporation  
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8-bit LVTTL parallel data bus paths running at 77.76 Mbps in STS-12/STM-4 or 19.44 Mbps in
STS-3/STM-1mode of operation
Uses Differential LVPECL or Single-Ended LVTTL CMU reference clock frequencies of either
19.44 MHz or 77.76 MHz for both STS-12/STM-1 or STS-3/STM-1 operations
Optional use of 77.76 MHz Single-Ended LVTTL input for independent CDR reference clock
operation
Able to Detect and Recover SONET/SDH frame boundary and byte align received data on the
parallel bus
Diagnostics features include LOS monitoring and automatic received data mute upon LOS
Provides Local, Remote and Split Loop-Back modes as well as Loop Timing mode
Optional flexibility to re-configure the transmit parallel bus clock output to a clock input and accept
timing signal from the framer/mapper device to permit the framer/mapper device time domain to be
synchronized with the transceiver transmit timing
Meets Telcordia, ANSI and ITU-T G.783 and G.825 SDH jitter requirements including T1.105.03 –
2002 SONET Jitter Tolerance specification, Bellcore TR-NWT-000253 and GR-253-CORE,
GR-253 ILR SONET Jitter specifications
Complies with ANSI/TIA/EIA-644 and IEEE P1596.3 3.3V LVDS standard, 3.3V LVPECL, and
JESD 8-B LVTTL and LVCMOS standard
Operates at 3.3V Core with 3.3V I/O
Less than 660mW in STS-3/STM-1 mode or 800mW in STS-12/STM-4 mode Typical Power
Dissipation
Package: 10 x 10 x 2.0 mm 64-pin QFP
Applications:
SONET/SDH-based Transmission Systems
Add/Drop Multiplexers
Cross Connect Equipment
ATM and Multi-Service Switches, Routers and
Switch/Routers
DSLAMS
SONET/SDH Test Equipment
DWDM Termination Equipment
Related Products Information:
Mfr Part #
Farnell #
Newark #
Description
XRT91L30IQ-F
1798688
24R1992
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH
Transceiver
-64-pin QFP package
XRT91L32IQ-F
1798689
73R5147
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH
Transceiver -100-pin QFP Package
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