APPLICATIONS
s High density line cards using digital backend ASICs Product FEATURES
s s s s s s Fully integrated quad, short-haul PCM transceiver for G.703 2.048 Mbps or 1.544 Mbps operation Single rail supply voltage of 5 V (typical) Low power consumption of 410 mW (typical) Programmable G.703 transmit pulse shaping for G.703 75 Ω, 100 Ω and 120 Ω systems High performance line drivers with constant low impedance for 20 dB return loss (typical) exceeds ETSI 300 166 On-chip band gap voltage reference for stabilized, constant output amplitude s s s s s s s s s High-performance receivers recover data with up to 12 dB cable attenuation Low frequency 1.544 or 2.048 MHz reference clock On-chip clock recovery function Programmable unipolar and bipolar PCM interface On-chip AMI and HDB3 encoder/decoder On-chip Driver Failure Monitoring circuit Local and remote loopback testing function Independent Loss of Signal processor for each channel conforms to ITU G.775 recommendation Small-footprint 64-pin QFP As of January 15, 2001, this document replaces the Level One document LXT334 — Quad Short-Haul Transceiver with Clock Recovery.