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MT90868 Datasheet

MT90868 ManufacturerZarlink Semiconductor
MT90868 Description32,768 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 Categories
Digital Switches
MT90868 Datasheet (PDF)
MT90868 Datasheet
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 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.
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