MT8980D Overview
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 256 64 kbit/s channels. Each of the eight serial inputs and outputs consist of 32 64 kbit/s channels multiplexed to form a 2048 kbit/s ST-BUS stream.
MT8980D Key Features
- Zarlink ST-BUS patible
- 8-line x 32-channel inputs
- 8-line x 32-channel outputs
- 256 ports non-blocking switch
- Single power supply (+5 V)
- Low power consumption: 30 mW Typ
- Microprocessor-control interface
- Three-state serial outputs
- 40°C to +85°C
- Functional Block Diagram
