XRT81L27 Datasheet - Exar

XRT81L27 - SEVEN CHANNEL E1 LINE INTERFACE UNIT

The XRT81L27 is an optimized seven-channel, analog, 3.3V, line interface unit, fabricated using low power CMOS technology. The device contains seven independent E1 channels, including data and clock recovery circuits. It is primarily targeted towards the SDH multiplexers that accommodate TU12 Tribut.

XRT81L27 Features

* Seven (7) Independent E1 (CEPT) Line Interface Units (Transmitter, Receiver, and Recovery)

* Transmit Output Pulses that are Compliant with the ITU-T G.703 Pulse Template Requirement for 2.048Mbps (E1) Rates

* On-Chip Pulse Shaping for both 75Ω and 120Ω line drivers

XRT81L27-Exar.pdf