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CD74HC257M96

CD74HC257M96

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Selector/Multiplexer
  • Characteristics: High-Speed, CMOS Logic, Quad 2-Input Multiplexer
  • Package: SOIC-16
  • Essence: The CD74HC257M96 is a high-speed CMOS logic IC that functions as a quad 2-input multiplexer. It is commonly used in digital electronics circuits to select one of four input signals and route it to the output based on control inputs.
  • Packaging/Quantity: The CD74HC257M96 is available in a standard SOIC-16 package and is typically sold in reels or tubes containing multiple units.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Logic Family: HC
  • Number of Inputs: 4
  • Number of Control Inputs: 2
  • Propagation Delay: 9 ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC257M96 has a total of 16 pins arranged as follows:

+---+--+---+ A1 -|1 +--+ 16|- Vcc B1 -|2 |- A0 C1 -|3 |- B0 D1 -|4 |- C0 GND -|5 |- D0 GND -|6 |- Y D2 -|7 |- C2 C2 -|8 |- B2 B2 -|9 |- A2 A2 -|10 |- G2 G1 -|11 |- D2 D3 -|12 |- C3 C3 -|13 |- B3 B3 -|14 |- A3 A3 -|15 |- GND +----------+

Functional Features

  • Quad 2-input multiplexer with common select inputs (A0 and B0)
  • High-speed operation suitable for digital circuits
  • CMOS logic technology ensures low power consumption
  • Wide supply voltage range allows compatibility with various systems
  • Schmitt-trigger action on all inputs provides noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data selection in digital circuits. - CMOS technology ensures low power consumption, making it suitable for battery-powered devices. - Wide supply voltage range allows compatibility with different systems. - Schmitt-trigger action on inputs provides noise immunity, enhancing reliability.

Disadvantages: - Limited number of input channels (4) may not be sufficient for complex applications requiring more inputs. - Propagation delay of 9 ns (typical) may introduce slight delays in time-critical applications.

Working Principles

The CD74HC257M96 operates as a quad 2-input multiplexer. It selects one of the four input signals based on the control inputs (A0 and B0) and routes it to the output pin (Y). The selection is made by activating the appropriate control inputs, which determine the path for the desired input signal.

Detailed Application Field Plans

The CD74HC257M96 can be used in various applications, including but not limited to: - Data routing and selection in microcontrollers and digital processors - Signal switching in communication systems - Address decoding in memory circuits - Input selection in audio/video equipment - Multiplexing in data acquisition systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD74HC257M96 include: - 74HC157: Quad 2-input multiplexer with non-inverting outputs - CD4052: Dual 4-channel analog multiplexer/demultiplexer - SN74LS151: 8-input data selector/multiplexer

These alternative models can be considered based on specific requirements and compatibility with the existing circuitry.

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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng CD74HC257M96 trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of CD74HC257M96 in technical solutions:

  1. Q: What is CD74HC257M96? A: CD74HC257M96 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 CD74HC257M96? A: The operating voltage range for CD74HC257M96 is typically between 2V and 6V.

  3. Q: How many inputs does CD74HC257M96 have? A: CD74HC257M96 has four inputs, labeled A, B, C, and D.

  4. Q: Can CD74HC257M96 be used as a demultiplexer? A: No, CD74HC257M96 is specifically designed as a multiplexer and cannot be used as a demultiplexer.

  5. Q: What is the maximum output current of CD74HC257M96? A: The maximum output current of CD74HC257M96 is typically around 6mA.

  6. Q: How many select lines does CD74HC257M96 have? A: CD74HC257M96 has two select lines, labeled S0 and S1.

  7. Q: What is the purpose of the 3-state outputs in CD74HC257M96? A: The 3-state outputs allow multiple CD74HC257M96 chips to be connected together without causing conflicts on the shared bus.

  8. Q: What is the propagation delay of CD74HC257M96? A: The propagation delay of CD74HC257M96 is typically around 11ns.

  9. Q: Can CD74HC257M96 be used in high-speed applications? A: Yes, CD74HC257M96 is designed for high-speed operation and can be used in applications with fast switching requirements.

  10. Q: What is the package type of CD74HC257M96? A: CD74HC257M96 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications for CD74HC257M96.