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Preliminary Information
XR-T5681
PCM Transceiver Chip
GENERAL DESCRIPTION
The XR-T5681 is a PCM transceiver chip. It consists of both transmit and receive circuitry in a CERDIP 18 pin package. The transceiver is designed for short line application «-10 dB) such as in digital multiplexed interfacing and digital PBX environments. The maximum frequency of operation is 3 MBits/s so it covers T1, T148C, and Eurupe's 2.048 MBit/s PCM system. The device is designed to operate over the temperature range of O°C to +70°C.
FUNCTIONAL BLOCK DIAGRAM
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F~ATURES
Single +5.0 V Supply Receiver Can Accept Either Balanced or Unbalanced Inputs TTL Compatible Interface Transmitter and Receiver in One Package
APPLICATIONS
T1, T148C, and 2.