| MT89L80 Description |
| 256 x 256 Channels (8 TDM Streams at 2.048 Mbps) 3.3 V Non-blocking Digital Switch (DX) |
| MT89L80 Vendor |
| Zarlink Semiconductor |
| MT89L80 Categories |
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| MT89L80 Features |
- 3.3 V supply
- 5 V tolerant inputs and TTL compatible outputs
- 256 x 256 channel non-blocking switch
- Accepts serial streams at 2.048 Mbps
- Per-channel three-state control
- Patented per channel message mode
- Non-multiplexed microprocessor interface
- Zarlink ST-BUS compatible
- Low power consumption: typical 15 mW
- Pin compatible with the MT8980DP
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| MT89L80 Applications |
- Key telephone systems
- PBX systems
- Small and medium voice switching systems
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| MT89L80 Description |
This VLSI 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 kbps channels. Each of the eight serial inputs and outputs consist of 32 64 kbps channels multiplexed to form a 2048 kbps ST-BUS stream. In addition, the MT89L80 provides microprocessor read and write access to individual ST-BUS channels. |
| MT89L80 Datasheet and Application Notes |
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