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XRT73L06IB Datasheet(PDF) 1 Page - Exar Corporation |
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XRT73L06IB Datasheet(HTML) 1 Page - Exar Corporation |
1 / 63 page Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510) 668-7000 • FAX (510) 668-7017 • www.exar.com XRT73L06 SIX CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT OCTOBER 2003 REV. 1.0.2 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. 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 FIGURE 1. BLOCK DIAGRAM OF THE XRT 73L06 ORDERING INFORMATION PART NUMBER PACKAGE OPERATING TEMPERATURE RANGE XRT73L06IB 217 Lead BGA -40°C to +85°C XRT73L06 XRT73L06 Channel 5 Channel 0 Channel n... Device Monitor MTIP_n MRing_n DMO_n Timing Control Tx Pulse Shaping HDB3/ B3ZS Encoder Tx Control MUX Line Driver Remote LoopBack HDB3/ B3ZS Decoder MUX AGC/ Equalizer Peak Detector LOS Detector Slicer µProcessor Interface Local LoopBack Clock & Data Recovery Clock Synthesizer RD WR Addr[7:0] CS INT D[7:0] TxON TxClk_n TxPOS_n TxNEG_n RxClk_n RxPOS_n RxNEG/LCV_n RLOS_n RLOL_n RTIP_n RRing_n TTIP_n TRing_n CLKOUT_n SFM_en E3Clk DS3Clk STS-Clk/12M ICT Pmode RDY PCLK RESET |
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