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XRT73L06

Exar Corporation
Part Number XRT73L06
Manufacturer Exar Corporation
Description SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT
Published Aug 20, 2007
Detailed Description www.DataSheet4U.com XRT73L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT REV. 1.0.2 OCTOBER 2003 GENERAL DESCRIPTION...
Datasheet PDF File XRT73L06 PDF File

XRT73L06
XRT73L06


Overview
www.
DataSheet4U.
com XRT73L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT REV.
1.
0.
2 OCTOBER 2003 GENERAL DESCRIPTION The XRT73L06 is a six channel fully integrated Line Interface Unit (LIU) for E3/DS3/STS-1 applications.
The LIU incorporates 6 independent Receivers and Transmitters in a single 217 Lead BGA package.
Each channel of the XRT73L06 can be independently configured to operate in E3 (34.
368 MHz), DS3 (44.
736 MHz) or STS-1 (51.
84 MHz).
Each transmitter can be turned off and tri-stated for redundancy support or for conserving power.
The XRT73L06’s differential receiver provides high noise interference margin and is able to receive data over 1000 feet of cable or with up to 12 dB of cable attenuation.
The XRT73L06 provides a Parallel Microprocessor Interface for programming and control.
FIGURE 1.
BLOCK DIAGRAM OF THE XRT 73L06 The XRT73L06 supports analog, remote and digital loop-backs.
The device also has a built-in Pseudo Random Binary Sequence (PRBS) generator and detector with the ability to insert and detect single bit error for diagnostic purposes.
APPLICATIONS • E3/DS3 Access Equipment • DSLAMs • Digital Cross Connect Systems • CSU/DSU Equipment • Routers • Fiber Optic Terminals CS RD WR Addr[7:0] D[7:0] PCLK RDY INT Pmode RESET XRT73L06 XRT73L06 µProcessor Interface CLKOUT_n SFM_en RLOL_n E3Clk DS3Clk STS-Clk/12M MUX Peak Detector Slicer Clock & Data Recovery LOS Detector Clock Synthesizer HDB3/ B3ZS Decoder RxClk_n RxPOS_n RxNEG/LCV_n RTIP_n RRing_n AGC/ Equalizer Local LoopBack Remote LoopBack RLOS_n TxClk_n TxPOS_n TxNEG_n TTIP_n TRing_n MTIP_n MRing_n DMO_n ICT Line Driver Tx Pulse Shaping Timing Control MUX HDB3/ B3ZS Encoder Device Monitor Tx Control TxON Channel 0 Channel n.
.
.
Channel 5 ORDERING INFORMATION PART NUMBER XRT73L06IB PACKAGE 217 Lead BGA OPERATING TEMPERATURE RANGE -40°C to +85°C Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.
exar.
com XRT73L06 REV.
1.
0.
2 S...


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