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SN74HC258PWR

SN74HC258PWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Multiplexer/Demultiplexer
  • Characteristics: High-speed, low-power consumption
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: Logic gate array
  • Packaging/Quantity: Tape and reel, 2500 pieces per reel

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
  • Propagation Delay Time: 10 ns (typical)
  • Maximum Quiescent Current: 4µA

Detailed Pin Configuration

The SN74HC258PWR has a total of 16 pins. The pin configuration is as follows:

  1. A1 (Input A1)
  2. B1 (Input B1)
  3. A0 (Input A0)
  4. B0 (Input B0)
  5. G (Enable Input)
  6. Y0 (Output Y0)
  7. Y1 (Output Y1)
  8. Y2 (Output Y2)
  9. Y3 (Output Y3)
  10. VCC (Positive Power Supply)
  11. Y4 (Output Y4)
  12. Y5 (Output Y5)
  13. Y6 (Output Y6)
  14. Y7 (Output Y7)
  15. GND (Ground)
  16. NC (No Connection)

Functional Features

The SN74HC258PWR is a multiplexer/demultiplexer IC that allows the selection of one of eight input signals to be routed to a single output line. It can also perform the reverse operation, i.e., take a single input signal and distribute it to one of eight output lines. The IC operates at high speed and consumes low power, making it suitable for various digital applications.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Versatile multiplexing/demultiplexing functionality - Wide supply voltage range - Compact TSSOP package

Disadvantages: - Limited number of input/output lines (8)

Working Principles

The SN74HC258PWR utilizes logic gates to implement the multiplexing and demultiplexing functions. It consists of multiple internal switches that can be controlled by the enable input (G) to select the desired input/output combination. When the enable input is active, the selected input signal is routed to the corresponding output line. The IC operates based on the principles of digital logic and uses transistors to control the flow of signals.

Detailed Application Field Plans

The SN74HC258PWR finds applications in various fields, including:

  1. Data communication systems: Used for signal routing and switching in data transmission networks.
  2. Industrial automation: Enables efficient control and monitoring of multiple devices through a single interface.
  3. Test and measurement equipment: Facilitates signal selection and distribution in testing setups.
  4. Audio/video systems: Allows for the selection of different audio or video sources to be displayed or played.
  5. Automotive electronics: Used in vehicle control systems for signal routing and switching.

Detailed and Complete Alternative Models

  1. CD4051B: 8-channel analog multiplexer/demultiplexer IC with similar functionality.
  2. MC14051B: CMOS analog multiplexer/demultiplexer IC with 8 channels.
  3. 74HC151: 8-input multiplexer IC with complementary outputs.

These alternative models provide similar functionality to the SN74HC258PWR and can be used as substitutes depending on specific requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением SN74HC258PWR в технических решениях.

Sure! Here are 10 common questions and answers related to the application of SN74HC258PWR:

  1. Q: What is SN74HC258PWR? A: SN74HC258PWR is a 4-to-1 multiplexer/demultiplexer integrated circuit (IC) that can be used in various technical solutions.

  2. Q: What is the purpose of SN74HC258PWR? A: The purpose of SN74HC258PWR is to select one of four input signals and route it to an output based on the control inputs.

  3. Q: What voltage levels does SN74HC258PWR support? A: SN74HC258PWR supports a wide range of voltage levels, typically from 2V to 6V.

  4. Q: How many control inputs does SN74HC258PWR have? A: SN74HC258PWR has two control inputs, which determine the routing of the input signals.

  5. Q: Can SN74HC258PWR be used as a demultiplexer? A: Yes, SN74HC258PWR 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 SN74HC258PWR? A: The maximum operating frequency of SN74HC258PWR is typically around 50 MHz.

  7. Q: Does SN74HC258PWR have any built-in protection features? A: Yes, SN74HC258PWR has built-in diode protection to prevent damage from electrostatic discharge (ESD).

  8. Q: Can SN74HC258PWR be cascaded to increase the number of inputs/outputs? A: Yes, multiple SN74HC258PWR ICs can be cascaded to increase the number of inputs/outputs.

  9. Q: What is the power supply voltage range for SN74HC258PWR? A: The power supply voltage range for SN74HC258PWR is typically from 2V to 6V.

  10. Q: Are there any recommended applications for SN74HC258PWR? A: SN74HC258PWR is commonly used in digital systems, such as data selectors, address decoding, and signal routing applications.

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