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CD74ACT258M
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CD74ACT258M

Product Overview

Category

CD74ACT258M belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • CD74ACT258M is a quad 2-input multiplexer with complementary outputs.
  • It operates on a wide voltage range, typically from 4.5V to 5.5V.
  • The IC has high-speed operation, making it suitable for use in various digital systems.
  • It offers low power consumption and high noise immunity.
  • CD74ACT258M is designed to be compatible with TTL (Transistor-Transistor Logic) inputs.

Package

The CD74ACT258M IC is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of CD74ACT258M lies in its ability to efficiently multiplex and demultiplex data signals in digital systems.

Packaging/Quantity

The CD74ACT258M IC is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 4.5V - 5.5V
  • Input Voltage: 0V - VCC
  • Output Voltage: 0V - VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay Time: 6 ns (max)
  • Output Current: ±24 mA

Detailed Pin Configuration

The CD74ACT258M IC has a total of 16 pins. The pin configuration is as follows:

  1. A1 (Input A1)
  2. B1 (Input B1)
  3. Y1 (Output Y1)
  4. A2 (Input A2)
  5. B2 (Input B2)
  6. Y2 (Output Y2)
  7. GND (Ground)
  8. Y3 (Output Y3)
  9. B3 (Input B3)
  10. A3 (Input A3)
  11. Y4 (Output Y4)
  12. B4 (Input B4)
  13. A4 (Input A4)
  14. VCC (Supply Voltage)
  15. OE (Output Enable)
  16. GND (Ground)

Functional Features

  • CD74ACT258M is a multiplexer/demultiplexer IC that can select one of four data inputs and route it to the output.
  • It has complementary outputs, providing both true and inverted versions of the selected input.
  • The IC features an output enable (OE) pin, which allows the user to disable the outputs when not needed.
  • CD74ACT258M operates at high speed, making it suitable for applications requiring fast data switching.

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with various digital systems.
  • Low power consumption helps in reducing overall system energy requirements.
  • High noise immunity ensures reliable operation even in noisy environments.
  • Complementary outputs provide flexibility in signal routing.

Disadvantages

  • Limited number of inputs (four) may restrict its use in applications requiring more input options.
  • Propagation delay time of 6 ns (max) may introduce slight delays in time-critical applications.

Working Principles

CD74ACT258M works based on the principles of multiplexing and demultiplexing. It selects one of the four input signals and routes it to the output based on the control inputs. The complementary outputs provide both the true and inverted versions of the selected input, allowing for versatile signal manipulation.

Detailed Application Field Plans

CD74ACT258M finds application in various digital systems, including but not limited to: - Data communication systems - Multiplexing and demultiplexing circuits - Data routing and switching systems - Digital signal processing applications

Detailed and Complete Alternative Models

Some alternative models to CD74ACT258M that serve similar functions include: - 74HC153: Dual 4-input multiplexer - CD4052: Dual 4-channel analog multiplexer/demultiplexer - SN74LS151: 8-input multiplexer with complementary outputs

These alternative models offer different features and specifications, providing options for specific application requirements.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem CD74ACT258M w rozwiązaniach technicznych

Sure! Here are 10 common questions and answers related to the application of CD74ACT258M in technical solutions:

  1. Q: What is CD74ACT258M? A: CD74ACT258M is a quad 2-input multiplexer with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for CD74ACT258M? A: The operating voltage range for CD74ACT258M is typically between 4.5V and 5.5V.

  3. Q: How many inputs does CD74ACT258M have? A: CD74ACT258M has four inputs, labeled A0, A1, A2, and A3.

  4. Q: Can CD74ACT258M handle both analog and digital signals? A: No, CD74ACT258M is designed to handle only digital signals.

  5. Q: What is the purpose of the 3-state outputs in CD74ACT258M? A: The 3-state outputs allow multiple devices to be connected together without causing conflicts or bus contention.

  6. Q: What is the maximum frequency at which CD74ACT258M can operate? A: CD74ACT258M can typically operate at frequencies up to 100 MHz.

  7. Q: Can CD74ACT258M be used as a demultiplexer? A: No, CD74ACT258M is specifically designed as a multiplexer and cannot be used as a demultiplexer.

  8. Q: What is the power supply current required by CD74ACT258M? A: The power supply current for CD74ACT258M is typically around 20 mA.

  9. Q: Can CD74ACT258M be cascaded to increase the number of inputs? A: Yes, multiple CD74ACT258M chips can be cascaded together to increase the number of inputs.

  10. Q: What are some common applications of CD74ACT258M? A: CD74ACT258M is commonly used in data selectors, address multiplexers, bus switches, and other digital logic circuits where multiple inputs need to be selected or switched.