Texas Instruments
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74ACT11257PWR
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Encyclopedia Entry: 74ACT11257PWR

Product Overview

Category

The 74ACT11257PWR 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

  • The 74ACT11257PWR is a quad 2-input multiplexer/demultiplexer with three-state outputs.
  • It operates on a wide voltage range, typically between 2V and 6V.
  • This IC offers high-speed performance, making it suitable for applications requiring fast data switching.
  • It has a low power consumption, making it energy-efficient.

Package

The 74ACT11257PWR is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74ACT11257PWR lies in its ability to efficiently multiplex and demultiplex data signals in digital systems.

Packaging/Quantity

This IC is typically sold in reels or tubes, containing a specific quantity of units per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 5ns
  • Maximum Power Dissipation: 500mW

Detailed Pin Configuration

The 74ACT11257PWR has a total of 16 pins, each serving a specific function. Here is the detailed pin configuration:

  1. A0: Input A0
  2. B0: Input B0
  3. Y0: Output Y0
  4. GND: Ground
  5. A1: Input A1
  6. B1: Input B1
  7. Y1: Output Y1
  8. VCC: Power Supply
  9. A2: Input A2
  10. B2: Input B2
  11. Y2: Output Y2
  12. OE: Output Enable
  13. A3: Input A3
  14. B3: Input B3
  15. Y3: Output Y3
  16. GND: Ground

Functional Features

The 74ACT11257PWR offers the following functional features:

  • Quad 2-input multiplexer/demultiplexer with three-state outputs.
  • Allows data selection between multiple inputs and routing to a single output.
  • Enables efficient data multiplexing and demultiplexing in digital systems.
  • Three-state outputs provide flexibility for bus-oriented applications.

Advantages and Disadvantages

Advantages

  • High-speed performance enables fast data switching.
  • Wide voltage range allows compatibility with various digital systems.
  • Low power consumption ensures energy efficiency.
  • Compact SOIC package facilitates easy integration into electronic circuits.

Disadvantages

  • Limited number of input/output channels compared to other multiplexer/demultiplexer ICs.
  • May require additional external components for specific applications.

Working Principles

The 74ACT11257PWR operates based on the principles of digital logic. It utilizes internal circuitry to select and route data signals from multiple inputs to a single output or vice versa. The output enable (OE) pin controls the activation of the three-state outputs, allowing for bus sharing and efficient data transmission.

Detailed Application Field Plans

The 74ACT11257PWR finds applications in various digital systems, including but not limited to:

  1. Data communication systems
  2. Multiplexed data buses
  3. Address decoding circuits
  4. Memory modules
  5. Digital signal processing

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74ACT11257PWR. Some notable alternatives include:

  1. 74HC11257: This IC operates at a lower voltage range (2V to 5.5V) but offers similar multiplexing/demultiplexing capabilities.
  2. CD4051: Although not a direct replacement, this IC provides analog multiplexing/demultiplexing functionality.

Please refer to the manufacturer's documentation for a comprehensive list of alternative models and their specifications.

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Énumérez 10 questions et réponses courantes liées à l'application de 74ACT11257PWR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of 74ACT11257PWR in technical solutions:

  1. Q: What is the 74ACT11257PWR? A: The 74ACT11257PWR is a quad 2-input multiplexer/demultiplexer IC (Integrated Circuit) commonly used in digital electronics.

  2. Q: What is the purpose of the 74ACT11257PWR? A: The purpose of this IC is to select one of four input signals and route it to the output based on the control inputs.

  3. Q: What is the voltage range supported by the 74ACT11257PWR? A: The 74ACT11257PWR supports a voltage range of 2V to 6V.

  4. Q: How many control inputs does the 74ACT11257PWR have? A: The 74ACT11257PWR has two control inputs, which determine the selection of the input signal.

  5. Q: Can the 74ACT11257PWR be used as a demultiplexer? A: Yes, the 74ACT11257PWR can be used as a demultiplexer by using the control inputs to select the desired output.

  6. Q: What is the maximum operating frequency of the 74ACT11257PWR? A: The maximum operating frequency of the 74ACT11257PWR is typically around 200 MHz.

  7. Q: Does the 74ACT11257PWR support bidirectional operation? A: No, the 74ACT11257PWR is a unidirectional multiplexer/demultiplexer and does not support bidirectional operation.

  8. Q: What is the power supply voltage required for the 74ACT11257PWR? A: The 74ACT11257PWR requires a power supply voltage of 5V.

  9. Q: Can the 74ACT11257PWR be cascaded to increase the number of inputs? A: Yes, multiple 74ACT11257PWR ICs can be cascaded together to increase the number of inputs and outputs.

  10. Q: What are some typical applications of the 74ACT11257PWR? A: The 74ACT11257PWR is commonly used in data routing, signal selection, address decoding, and multiplexing/demultiplexing applications.

Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.