| MT90868 Description | | 32,768 x 8,192 Channels High Bandwidth Digital Switch with up to 128 Streams on Backplane and 128 Streams on Local and Data Rates From 8 to 32 Mbps | | MT90868 Vendor | | Zarlink Semiconductor | | MT90868 Categories | | | MT90868 Features | - 32,768 channel x 8,192 channel blocking switching between backplane and local streams
- 8,192 channel x 8,192 channel non-blocking switching for local input and output streams
- 1,024 channel x 1,024 channel switch between two selected backplane input and output streams
- Rate conversion between backplane and local streams
- Accepts ST-BUS streams with data rate of 16.384 Mbps or 32.768 Mbps for backplane port
- Accepts ST-BUS streams with data rate of 8.192 Mbps for local port
- Per-stream channel and bit delay for the local input streams
- Per-stream channel and bit advancement for the local output streams
- Per-stream bit delay for the backplane input streams
- Per-stream bit advancement for the backplane output streams
- Per-channel constant throughput delay
- Per-channel high impedance output control for local streams
- Per-channel high impedance or driven-high output control for backplane streams
- Per-channel message mode for backplane and local output streams
| | MT90868 Applications | - Mediation switches
- High capacity TDM switching platforms utilizing DS-3/OC-3 rates
- Central office switches
- Access equipment
| | MT90868 Description | The MT90868 Digital Switch provides switching capacities of 32,768 x 8,192 channels between backplane and local streams, 8,192 x 8,192 channels among local streams and 1,024 x 1,024 channels among two selected backplane streams. The local port has sixty-four input and sixty-four output streams which operate at 8.192 Mbps. The backplane port has sixty-four input and sixty-four output streams which operate at 16.384 or 32.768 Mbps.
The MT90868 has features that are programmable on per-stream or per-channel basis including message mode, input bit delay, output bit advancement, constant throughput delay, high impedance output control for both local and backplane streams and the driven-high backplane output control. | | MT90868 Datasheet and Application Notes | |
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