XR-T5640 Datasheet - Exar

XR-T5640 PCM AMI Line Receiver and Clock Recovery Circuit

The XR-T5640 is a monolithic bipolar IC designed for T1 type line receiver application operating at 1.544 M bit/s. It provides all the active circuitry required to perform automatic line build out (ALBO), threshold detection, binary NRZ data and clock recovery. A clock recovery using crystal filter .

XR-T5640 Features

* On Chip NRZ Data and Clock Recovery Less than 10 ns Sampling Pulse Over the Operating Range Triple Matched ALBO Ports Single 5.1 Power Supply APPLICATIONS T1 PCM Line Receiver T1C PCM Line Receiver (requires external gain) General Purpose Bipolar Line Receiver FUNCTIONAL BLOCK DIAGRAM ALBO GND ALBO

XR-T5640-Exar.pdf