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MT90820

Features: • 2,048 × 2,048 channel non-blocking switching at 8.192 Mb/s• Per-channel variable or constant throughput delay• Automatic identification of ST-BUS/GCI interfaces• Accept ST-BUS streams of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s• Automatic frame offset delay me...

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SeekIC No. : 004430219 Detail

MT90820: Features: • 2,048 × 2,048 channel non-blocking switching at 8.192 Mb/s• Per-channel variable or constant throughput delay• Automatic identification of ST-BUS/GCI interfaces• ...

MT90820 Data Sheet

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Part Number:
MT90820
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• 2,048 × 2,048 channel non-blocking switching at 8.192 Mb/s
• Per-channel variable or constant throughput delay
• Automatic identification of ST-BUS/GCI interfaces
• Accept ST-BUS streams of 2.048 Mb/s, 4.096 Mb/s or 8.192 Mb/s
• Automatic frame offset delay measurement
• Per-stream frame delay offset programming
• Per-channel high impedance output control
• Per-channel message mode
• Control interface compatible to Motorola nonmulitplexed CPUs
• Connection memory block programming
• IEEE-1149.1 (JTAG) Test Port


Application

• Medium and large switching platforms
• CTI application
• Voice/data multiplexer
• Digital cross connects
• ST-BUS/GCI interface functions
• Support IEEE 802.9a standard


Pinout

Connection Diagram  Connection Diagram


Specifications

  Parameter Symbol Min Max Units
1 Supply Voltage VDD   6.0 V
2 Voltage on any pin I/O (other than supply pins) VI VSS - 0.3 VDD+0.3 V
3 Continuous Current at digital outputs IO   20 mA
4 Package power dissipation (PLCC & PQFP) PD   2 W
5 Storage temperature TS - 65 +125

* Exceeding these values may cause permanent damage. Functional operation under these conditions is not implied.


Description

The MT90820 Large Digital Switch has a non-blocking switch capacity of 2,048 x 2,048 channels at a serial bit rate of 8.192 Mb/s, 1,024 x 1,024 channels at 4.096 Mb/s and 512 x 512 channels at 2.048 Mb/s. The MT90820 has many features that are programmable on per stream or per channel basis, including message mode, input offset delay and high impedance output control.

Per stream input delay control of MT90820 is particularly useful for managing large multi-chip switches that transport both voice channel and concatenated data channels.

In addition, input stream of MT90820 can be individually calibrated for input frame offset using a dedicated pin.




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