MT90823
MT90823 Description
2048 x 2048 Channels Selectable Rate (2, 4, 8 Mbps) 3.3 V Non-blocking Large Digital Switch (LDX)
MT90823 Vendor
Zarlink Semiconductor
MT90823 Categories
MT90823 Features
  • 2,048 x 2,048 channel non-blocking switching at 8.192 Mbps
  • Per-channel variable or constant throughput delay
  • Automatic identification of ST-BUS/GCI interfaces
  • Accept ST-BUS streams of 2.048, 4.096 or 8.192 Mbps
  • Automatic frame offset delay measurement
  • Per-stream frame delay offset programming
  • Per-channel high impedance output control and message mode
  • Control interface compatible to Motorola non-multiplexed CPUs
  • Connection memory block programming
  • 3.3 V local I/O with 5 V tolerant inputs and TTL-compatible outputs
  • IEEE-1149.1 (JTAG) Test Port
MT90823 Applications
    • Medium and large switching platforms
    • CTI application
    • Voice/data multiplexer
    • Digital cross connects
    • ST-BUS/GCI interface functions
    • Support IEEE 802.9a standard
MT90823 Description
    The MT90823 Large Digital Switch has a non-blocking switch capacity of: 2,048 x 2,048 channels at a serial bit rate of 8.192 Mbps; 1,024 x 1,024 channels at 4.096 Mbps; and 512 x 512 channels at 2.048 Mbps. The device has many features that are programmable on a per stream or per channel basis, including message mode, input offset delay and high impedance output control. Per stream input delay control is particularly useful for managing large multi-chip switches that transport both voice channel and concatenated data channels. In addition, the input stream can be individually calibrated for input frame offset using a dedicated pin.
MT90823 Datasheet and Application Notes

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