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SN74HC258DT
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SN74HC258DT

Product Overview

Category

SN74HC258DT belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for data multiplexing and demultiplexing applications.

Characteristics

  • High-speed operation
  • Low power consumption
  • Wide operating voltage range
  • Compatibility with TTL inputs
  • Schmitt-trigger action on all inputs
  • Balanced propagation delays

Package

SN74HC258DT is available in a standard 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of SN74HC258DT lies in its ability to efficiently multiplex and demultiplex data signals.

Packaging/Quantity

SN74HC258DT is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 15 ns
  • Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

SN74HC258DT has a total of 16 pins, which are assigned specific functions as follows:

  1. A1: Data input A1
  2. B1: Data input B1
  3. C1: Data input C1
  4. D1: Data input D1
  5. GND: Ground
  6. Y1: Multiplexer output Y1
  7. Y2: Multiplexer output Y2
  8. E: Enable input
  9. Y3: Multiplexer output Y3
  10. Y4: Multiplexer output Y4
  11. C2: Data input C2
  12. B2: Data input B2
  13. A2: Data input A2
  14. VCC: Supply voltage
  15. D2: Data input D2
  16. NC: No connection

Functional Features

SN74HC258DT offers the following functional features:

  • 2-to-1 multiplexing and demultiplexing capability
  • Schmitt-trigger inputs for noise immunity
  • Enable input for controlling the output state
  • Balanced propagation delays for accurate signal transmission

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data processing.
  • Low power consumption helps conserve energy.
  • Wide operating voltage range provides flexibility in various applications.
  • Compatibility with TTL inputs enables easy integration with existing systems.
  • Schmitt-trigger action on all inputs enhances noise immunity.
  • Balanced propagation delays ensure accurate signal transmission.

Disadvantages

  • Limited number of input and output channels compared to more advanced ICs.
  • May require additional external components for certain applications.

Working Principles

SN74HC258DT operates based on the principles of multiplexing and demultiplexing. It takes multiple input signals and selects one of them based on the control input. The selected signal is then transmitted to the corresponding output pin. The enable input controls the output state, allowing for efficient data routing.

Detailed Application Field Plans

SN74HC258DT finds applications in various fields, including but not limited to:

  1. Communication systems
  2. Data acquisition systems
  3. Industrial automation
  4. Consumer electronics
  5. Automotive electronics

In communication systems, it can be used for signal routing and data selection. In data acquisition systems, it aids in multiplexing and demultiplexing analog or digital signals. In industrial automation, it facilitates efficient control signal routing. In consumer electronics and automotive electronics, it enables data selection and routing for various functions.

Detailed and Complete Alternative Models

Some alternative models to SN74HC258DT that offer similar functionality include:

  1. CD74HC258E
  2. MC74HC258N
  3. 74HCT258D
  4. SN54HC258J

These alternative models can be considered based on specific requirements, availability, and compatibility with existing systems.

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Καταγράψτε 10 συνήθεις ερωτήσεις και απαντήσεις που σχετίζονται με την εφαρμογή του SN74HC258DT σε τεχνικές λύσεις

Sure! Here are 10 common questions and answers related to the application of SN74HC258DT:

  1. Q: What is SN74HC258DT? A: SN74HC258DT is a quad 2-input multiplexer with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the purpose of SN74HC258DT? A: SN74HC258DT is used 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 SN74HC258DT? A: SN74HC258DT supports a voltage range of 2V to 6V.

  4. Q: How many control inputs does SN74HC258DT have? A: SN74HC258DT has two control inputs, typically labeled as A and B.

  5. Q: How many output pins does SN74HC258DT have? A: SN74HC258DT has four output pins, each corresponding to one of the input signals.

  6. Q: Can SN74HC258DT be used for bidirectional data transmission? A: No, SN74HC258DT is a unidirectional multiplexer and does not support bidirectional data transmission.

  7. Q: What is the maximum operating frequency of SN74HC258DT? A: The maximum operating frequency of SN74HC258DT is typically around 50 MHz.

  8. Q: Does SN74HC258DT have internal pull-up or pull-down resistors? A: No, SN74HC258DT does not have internal pull-up or pull-down resistors.

  9. Q: Can SN74HC258DT handle high-speed switching applications? A: Yes, SN74HC258DT is designed to handle high-speed switching applications.

  10. Q: What is the package type of SN74HC258DT? A: SN74HC258DT is available in a standard 16-pin SOIC (Small Outline Integrated Circuit) package.

Please note that these answers are general and may vary depending on the specific datasheet and manufacturer's specifications for SN74HC258DT.