MT8981D Datasheet (Zarlink Semiconductor)

MT8981D, ISO-CMOS ST-BUS

This VLSI ISO-CMOS device is designed for switching PCM-encoded voice or data, under microprocessor control, in a modern digital exchange, PBX or Central Office.

It provides simultaneous connections for up to 128 64 kbit/s channels.

Each of the four serial inputs and outputs consist of 32 64 kbit/s

MT8981D Features

* Zarlink ST-BUS compatible 4-line x 32-channel inputs 4-line x 32-channel outputs 128 ports non-blocking switch Single power supply (+5 V) Low power consumption: 30 mW Typ. Microprocessor-control interface Three-state ser