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