GENERAL DESCRIPTION

STLC5411 is a complete monolithic transceiver for ISDN Basic access data transmission on twisted pair subscriber loops typical of public switched telephone networks. The device is fully compatible with both ANSI T1.601-1988 U.S. and CSE (C32-11) French specifications. It is in tended also to comply with ETSI specification both in term of transmission performances and requested features.

GENERAL FEATURES

■ SINGLE CHIP 2B1Q LINE CODE TRANSCEIVER

■ SUITABLE FOR BOTH ISDN AND PAIR GAIN APPLICATIONS

■ MEETS OR EXCEEDS ANSI U.S. AND ETSI EUROPEAN STANDARD

■ SINGLE 5V SUPPLY

■ DIP28 AND PLCC44 PACKAGE

■ HCMOS3A SGS-THOMSON ADVANCED 1.2µm DOUBLE-METAL CMOS PROCESS

TRANSMISSION FEATURES

■ 160 KBIT/S FULL DUPLEX TRANSCEIVER

■ 2B1Q LINE CODING WITH SCRAMBLER/DE SCRAMBLER

■ 18KFT (5.5KM) ON 26AWG/24AWG TWISTED PAIR CABLES

■ SUPPORTS BRIDGE TAPS, SPLICES AND MIXED GAUGES

■ >70DB ADAPTIVE ECHO-CANCELLATION

■ ON CHIP HYBRID CIRCUIT

■ DECISION FEEDBACK EQUALIZATION

■ ON CHIP ANALOG VCO SYSTEM

■ DIRECT CONNECTION TO SMALL LINE TRANSFORMER

SYSTEM FEATURES

■ ACTIVATION/DEACTIVATION CONTROLLER

■ ON CHIP CRC CALCULATION AND VERIFICATION INCLUDING TWO PROGRAMMA BLE BLOCK ERROR COUNTERS

■ EOC CHANNEL AND OVERHEAD-BITS TRANSMISSION WITH AUTOMATIC MESSAGE CHECKING

■ GCI AND MW/DSI MODULE INTERFACES COMPATIBLE

■ DIGITAL LOOPBACKS

■ COMPLETE (2B+D) ANALOG LOOPBACK IN LT

■ ELASTIC DATA BUFFERS AND BACKPLANE CLOCK DE-JITTERIZER

■ AUTOMODE NT1 AND REPEATER

■ ”U ACTIVATION ONLY” IN NT1

■ IDENTIFICATION CODE AS PER GCI STANDARD

■ EASILY INTERFACEABLE WITH ST5451 (HDLC & GCI CONTROLLER), ST5421 SID GCI TRANSCEIVER AND ANY OTHER GCI, IDL or TDM COMPATIBLE DEVICES