ON Semiconductor
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DM74AS652NT
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DM74AS652NT

Product Overview

Category

DM74AS652NT belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital systems for data bus multiplexing and demultiplexing applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • TTL compatible inputs and outputs

Package

DM74AS652NT is available in a 24-pin dual in-line package (DIP).

Essence

The essence of DM74AS652NT lies in its ability to efficiently multiplex and demultiplex data signals in digital systems.

Packaging/Quantity

DM74AS652NT is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to Vcc
  • Output Voltage: 0V to Vcc
  • Operating Temperature Range: -55°C to +125°C
  • Propagation Delay Time: 10ns (max)
  • Output Current: ±8mA

Detailed Pin Configuration

  1. A0: Multiplexer Address Input 0
  2. A1: Multiplexer Address Input 1
  3. A2: Multiplexer Address Input 2
  4. A3: Multiplexer Address Input 3
  5. A4: Multiplexer Address Input 4
  6. A5: Multiplexer Address Input 5
  7. E: Enable Input
  8. D0: Data Input/Output 0
  9. D1: Data Input/Output 1
  10. D2: Data Input/Output 2
  11. D3: Data Input/Output 3
  12. D4: Data Input/Output 4
  13. D5: Data Input/Output 5
  14. D6: Data Input/Output 6
  15. D7: Data Input/Output 7
  16. GND: Ground
  17. D8: Data Input/Output 8
  18. D9: Data Input/Output 9
  19. D10: Data Input/Output 10
  20. D11: Data Input/Output 11
  21. D12: Data Input/Output 12
  22. D13: Data Input/Output 13
  23. D14: Data Input/Output 14
  24. Vcc: Supply Voltage

Functional Features

  • Multiplexes or demultiplexes data signals based on the address inputs.
  • Enables efficient data transmission and control in digital systems.
  • TTL compatible inputs and outputs ensure compatibility with various logic families.

Advantages

  • High-speed operation allows for quick data processing.
  • Wide operating voltage range provides flexibility in different system configurations.
  • Low power consumption helps conserve energy.
  • TTL compatibility ensures seamless integration with other ICs.

Disadvantages

  • Limited number of data input/output lines (up to 15).
  • Requires external address inputs for multiplexing/demultiplexing operations.

Working Principles

DM74AS652NT operates by using the address inputs to select the desired data input/output line. When the enable input is active, the selected data line is either multiplexed onto the output or demultiplexed from the input, depending on the mode of operation.

Detailed Application Field Plans

DM74AS652NT finds applications in various digital systems, including but not limited to: - Data communication systems - Microprocessor-based systems - Industrial automation - Instrumentation systems - Control systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to DM74AS652NT are: - SN74AS652 - CD74AS652 - MC74AS652

These models are compatible with the same pin configuration and provide comparable performance characteristics.

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Énumérez 10 questions et réponses courantes liées à l'application de DM74AS652NT dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of DM74AS652NT in technical solutions:

  1. Q: What is DM74AS652NT? A: DM74AS652NT is a specific type of integrated circuit (IC) that functions as an octal bus transceiver with 3-state outputs.

  2. Q: What is the purpose of DM74AS652NT? A: The purpose of DM74AS652NT is to facilitate bidirectional data transfer between two buses or systems, while also providing isolation when necessary.

  3. Q: How many data lines can DM74AS652NT handle? A: DM74AS652NT can handle up to 8 data lines, making it suitable for applications requiring parallel data transfer.

  4. Q: What voltage levels does DM74AS652NT support? A: DM74AS652NT supports TTL (Transistor-Transistor Logic) voltage levels, typically operating at 5V.

  5. Q: Can DM74AS652NT be used in both synchronous and asynchronous applications? A: Yes, DM74AS652NT can be used in both synchronous and asynchronous applications, depending on the specific requirements of the system.

  6. Q: Does DM74AS652NT have any built-in protection features? A: Yes, DM74AS652NT has built-in diode clamps that provide protection against electrostatic discharge (ESD) events.

  7. Q: What is the maximum frequency at which DM74AS652NT can operate? A: DM74AS652NT can operate at frequencies up to several megahertz, depending on the specific conditions and system setup.

  8. Q: Can DM74AS652NT be cascaded to increase the number of data lines? A: Yes, DM74AS652NT can be cascaded by connecting the output of one IC to the input of another, allowing for expansion of data lines.

  9. Q: Are there any limitations on the cable length when using DM74AS652NT? A: Yes, the cable length should be kept within reasonable limits to avoid signal degradation and timing issues. It is recommended to consult the datasheet for specific guidelines.

  10. Q: What are some common applications of DM74AS652NT? A: DM74AS652NT is commonly used in various technical solutions such as data communication systems, bus interfaces, memory modules, and general-purpose digital systems requiring bidirectional data transfer.

Please note that these answers are general and may vary depending on the specific requirements and implementation of DM74AS652NT in a given technical solution.