Product Summary

The LXT385LE is a Short-Haul PCM Transceiver with Jitter Attenuation. It is designed for use in 2.048-Mbps applications. It incorporates eight independent receivers and eight independent transmitters in either a single 144-pin LQFP or a 160-ball PBGA package. Applications of the LXT385LE include: SDH tributary interfaces, Digital cross connects, Public/private switching trunk line interfaces, Microwave transmission systems, M13, E1-E3 MUX.

Parametrics

LXT385LE absolute maximum ratings: (1)DC supply core voltage for VCC1:0 and VCCIO1:0(referenced to ground) VCC and VCCIO: -0.5 to 4.0 V; (2)DC supply I/O voltage for TVCC7:0(referenced to ground) TVCC: -0.5 to 7.0 V; (3)Input voltage on any digital pin VIN: GND - 0.5 to 5.5 V; (4)Input voltage on RTIP, RRING1 VIN: GND - 0.5 to VCC0 + 0.5; (5)VCC1 + 0.5 V; (6)ESD voltage on any pin VIN: 2000 V; (7)Maximum power dissipation in package PMax: 1.6 W; (8)Transient latch-up current on any pin IIN: 100 mA; (9)Input current on any digital pin IIN: -10 to 10 mA; (10)DC input current on TTIP, TRING IIN: ±100 mA; (11)DC input current on RTIP, RRING IIN: ±100 mA; (12)Storage temperature TSTG: -65 to +150 ℃; (13)Case temperature, LQFP TCASE: 120 ℃.

Features

LXT385LE features: (1)OctalE1 Pulse-Code Modulation (PCM) Transceiver with Jitter Attenuation for use in 2.048 Mbps (E1) applications; (2)8 fully-independent receiver/transmitters; (3)Support for E1 standards: —Exceeds ETSI ETS 300 166; (4)Meets ETS 300 233Low-power single-rail 3.3-V CMOS power supply, with 5-V tolerant I/Os; (5)HDB3 AMI line encoder/decoder; (6)LOS per ITU G.775 and ETS 300 233; (7)Intel/ Motorola 8-bit parallel processor interface or 4 wire serial control interface; (8)Hardware and Software control modes; (9)Operating temperature -40℃ to 85℃; (10)160-ball BGA or 144-pin LQFP packages.

Diagrams

LXT385LE block diagram

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