GENERAL DESCRIPTION
STLC5412 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 ETSI ETRO80 and CSE (C32-11) French specifications.

GENERAL FEATURES
■ SINGLECHIP 2B1QLINECODETRANSCEIVER
■ SUITABLE FOR ISDN, PAIR GAIN AND DECT APPLICATIONS
■ MEETS OR EXCEEDS ETSI EUROPEAN STANDARD
■ SINGLE 5V SUPPLY
■ DIP28 AND PLCC44 PACKAGE
■ HCMOS3A SGS-THOMSON ADVANCED 1.2µm DOUBLE-METAL CMOS PROCESS
■ ROUND TRIP DELAY MEASUREMENT
■ EXTENDED TEMPERATURE RANGE (-40°C TO +70°C)

TRANSMISSION FEATURES
■ 160 KBIT/S FULL DUPLEX TRANSCEIVER
■ 2B1Q LINE CODING WITH SCRAMBLER/DESCRAMBLER
■ 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 PROGRAMMABLE BLOCK ERROR COUNTERS
■ EOC CHANNEL AND OVERHEAD-BITS TRANSMISSION WITH AUTOMATIC MESSAGE CHECKING
■ GCI AND µW/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
■ DECT FRAME SYNCHRONIZATION
■ EASILY INTERFACEABLE WITH ST5451 (HDLC & GCI CONTROLLER), STLC5464 / STLC5465 AND ANY OTHER GCI, IDL or TDM COMPATIBLE DEVICES