Datenblatt-Suchmaschine für elektronische Bauteile |
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CDB61538A Datenblatt(PDF) 1 Page - Cirrus Logic |
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CDB61538A Datenblatt(HTML) 1 Page - Cirrus Logic |
1 / 44 page Features • Provides Analog Transmission Line Interface for T1 and E1 Applications • Drop-in Replacement for CS61574 with the Following Enhancements: - Lower Power Consumption - Transmitter Short-Circuit Current Limiting - Greater Transmitter Immunity to Line Reflections - Software Selection Between 75 Ω and 120 Ω E1 Output Options - Internally Controlled E1 Pulse Width - B8ZS/HDB3/AMI Encoder/Decoder General Description The CS61577 is a drop-in replacement for the CS61574, and 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 CS61577 supports processor-based or stand- alone operation and interfaces with industry standard T1 and E1 framers. The receiver uses a digital Delay-Locked-Loop which is continuously calibrated from a crystal reference to pro- vide excellent stability and jitter tolerance. The receiver includes a jitter attenuator optimized for minimum delay in switching and transmission applications. The trans- mitter provides internal pulse shaping to insure compliance with T1 and E1 pulse template specifica- tions. Applications • Interfacing Network Equipment such as DACS and Channel Banks to a DSX-1 Cross Connect • Building Channel Service Units ORDERING INFORMATION CS61577-IP1 28 Pin Plastic DIP CS61577-IL1 28 Pin Plastic PLCC MAY ’96 DS155PP2 1 Crystal Semiconductor Corporation P. O. Box 17847, Austin, Texas, 78760 (512) 445-7222 FAX:(512) 445-7581 T1/E1 Line Interface TTIP TCLK 7 RRING RTIP TRING TGND 14 CONTROL LINE RECEIVER LINE DRIVER 15 3 2 6 4 RCLK 8 27 LLOOP (SCLK) 25 24 (INT) LEN0 (SDI) LEN1 (SDO) LEN2 28 23 (CLKE) TAOS 5 MODE TPOS [TDATA] RPOS [RDATA] RNEG [BPV] TNEG [TCODE] MTIP [RCODE] DPM [AIS] LOS 12 21 RV+ 22 RGND 13 19 20 17 11 18 16 MRING [PCS] XTALIN 9 XTALOUT 10 ACLKI 1 ( ) = Pin Function in Host Mode [ ] = Pin Function in Extended Hardware Mode 26 RLOOP (CS) R E M O T E L O O P B A C K AMI, B8ZS, HDB3, CODER JITTER ATTENUATOR PULSE SHAPER CLOCK & DATA RECOVERY SIGNAL QUALITY MONITOR DRIVER MONITOR TV+ L O C A L L O O P B A C K Copyright © Crystal Semiconductor Corporation 1996 (All Rights Reserved) CS61577 This document contains information for a new product. Crystal Semiconductor reserves the right to modify this product without notice. Preliminary Product Information |
Ähnliche Teilenummer - CDB61538A |
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Ähnliche Beschreibung - CDB61538A |
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