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IDT72V8981

Features: • 128 x 128 channel non-blocking switch• Serial Telecom Bus Compatible (ST-BUS®)• 4 RX inputs-32 channels at 64 Kbit/s per serial line• 4 TX output-32 channels at 64 Kbit/s per serial line• Three-state serial outputs• Microprocessor Interface (8-bi...

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SeekIC No. : 004372700 Detail

IDT72V8981: Features: • 128 x 128 channel non-blocking switch• Serial Telecom Bus Compatible (ST-BUS®)• 4 RX inputs-32 channels at 64 Kbit/s per serial line• 4 TX output-32 channels ...

IDT72V8981 Data Sheet

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Part Number:
IDT72V8981
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: 2025/12/4

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Product Details

Description



Features:

• 128 x 128 channel non-blocking switch
• Serial Telecom Bus Compatible (ST-BUS®)
• 4 RX inputs-32 channels at 64 Kbit/s per serial line
• 4 TX output-32 channels at 64 Kbit/s per serial line
• Three-state serial outputs
• Microprocessor Interface (8-bit data bus)
• 3.3V Power Supply
• Available in 44-pin Plastic Leaded Chip Carrier (PLCC), and 44-pin Plastic Quad Flatpack (PQFP)
• Operating Temperature Range -40°C to +85°C
• 3.3V I/O with 5V Tolerant Inputs


Pinout

Connection Diagram


Specifications

Symbol Parameter Min. Max. Unit
Vcc Symbol Voltage -0.3 5 V
Vi Voltage on Digital Inputs GND - 0.3 VCC +0.5 V
VO Voltage on Digital Outputs GND - 0.3 VCC +0.3 V
IO Current at Digital Outputs 20 mA
TS Storage Temperature -55 +125
PD Package Power Dissapation 1 W

NOTE:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.




Description

The IDT72V8981 is a ST-BUS® compatible digital switch controlled by a microprocessor. The IDT72V8981 can handle as many as 128, 64 Kbit/s input and output channels. Those 128 channels are divided into 4 serial inputs and outputs, each of which consists of 32 channels (64 Kbit/s per channel) to form a multiplexed 2.048 Mb/s stream.




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