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CS61535A-IL1 Datasheet(PDF) 1 Page - Cirrus Logic |
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CS61535A-IL1 Datasheet(HTML) 1 Page - Cirrus Logic |
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1 / 48 page  Features • Provides Analog PCM Line Interface for T1 and E1 Applications • Provides Line Driver, and Data and Clock Recovery Functions • Transmit Side Jitter Attenuation Starting at 6 Hz, with > 300 UI of Jitter Tolerance • Low Power Consumption (typically 175 mW) • B8ZS/HDB3/AMI Encoders/Decoders • 14 dB of Transmitter Return Loss • Compatible with SONET, M13 , CCITT G.742, and Other Asynchronous Muxes General Description The CS61535A combines the complete analog transmit and receive line interface for T1 or E1 applications in a low power, 28-pin device operating from a +5V supply. The device features a transmitter jitter attenuator mak- ing it ideal for use in asynchronous multiplexor systems with gapped transmit clocks. The CS61535A provides a matched, constant impedance output stage to insure signal quality on mismatched, poorly terminated lines. Both ICs use a digital Delay-Locked-Loop clock and data recovery circuit which is continuously calibrated from a crystal reference to provide excellent stability and jitter tolerance. Applications • Interfacing network transmission equipment such as SONET multiplexor and M13 to a DSX-1 cross connect. • Interfacing customer premises equipment to a CSU. • Interfacing to E1 links. Ordering Information CS61535A-IP1 28 Pin Plastic DIP CS61535A-IL1 28 Pin PLCC (j-leads) MAY ’96 DS40F2 1 Crystal Semiconductor Corporation P.O. Box 17847, Austin, TX 78760 (512) 445-7222 FAX: (512) 445-7581 SIGNAL QUALITY MONITOR 13 TTIP TCLK 7 RRING RTIP 19 20 17 11 18 TRING 16 TGND 14 CONTROL DRIVER MONITOR LINE RECEIVER LINE DRIVER 15 PULSE SHAPER 3 2 6 4 RCLK 8 ACLKI 27 LLOOP (SCLK) 26 RLOOP (CS) 25 24 (INT) LEN0 (SDI) LEN1 (SDO) LEN2 28 23 (CLKE) TAOS 5 MODE AMI, B8ZS, HDB3 CODER TPOS [TDATA] RPOS [RDATA] RNEG [BPV] TNEG [TCODE] MTIP [RCODE] MRING [PCS] DPM [AIS] LOS 12 21 RV+ 22 RGND 1 CLOCK & DATA RECOVERY XTALIN 9 XTALOUT 10 JITTER ATTENUATOR LOOP BACK TV+ [ ] = Pin Function in Extended Hardware Mode ( ) = Pin Function in Host Mode Copyright © Crystal Semiconductor Corporation 1996 (All Rights Reserved) CS61535A T1/E1 Line Interface |
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