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CD74HCT257M96

CD74HCT257M96

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Data Selector/Multiplexer
  • Characteristics: High-Speed, CMOS Logic, 4-to-1 Multiplexer
  • Package: SOIC-16
  • Essence: CD74HCT257M96 is a high-speed CMOS logic IC that functions as a 4-to-1 multiplexer. It is commonly used in digital electronics to select one of four input signals and route it to a single output line.
  • Packaging/Quantity: The CD74HCT257M96 is typically sold in reels or tubes containing 250 units.

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: 14ns (max) at 5V supply voltage
  • Quiescent Current: 4μA (typ) at 5V supply voltage

Pin Configuration

The CD74HCT257M96 has a total of 16 pins arranged in a Small Outline Integrated Circuit (SOIC) package. The pin configuration is as follows:

__ __ A1 |1 `--' 16| VCC B1 |2 15| Y A2 |3 14| B B2 |4 13| C A3 |5 CD 12| D B3 |6 74 11| GND A4 |7 HCT 10| E B4 |8 9| F ``````````

Functional Features

  • 4-to-1 Multiplexer: CD74HCT257M96 can select one of four input signals (A, B, C, D) and route it to the output line (Y).
  • High-Speed Operation: The IC operates at high speeds, making it suitable for time-critical applications.
  • CMOS Logic: It utilizes CMOS technology, which provides low power consumption and compatibility with a wide range of digital systems.

Advantages and Disadvantages

Advantages: - Fast switching speed - Low power consumption - Wide supply voltage range - Compatibility with various digital systems

Disadvantages: - Limited number of input channels (only 4) - Not suitable for applications requiring more complex multiplexing functionality

Working Principles

The CD74HCT257M96 operates based on the principles of digital logic. It uses internal circuitry to select one of the four input signals based on the control inputs (E, G). The selected input is then routed to the output line. The IC operates within the specified voltage range and provides fast switching times.

Detailed Application Field Plans

The CD74HCT257M96 finds applications in various fields where data selection or multiplexing is required. Some common application areas include:

  1. Digital Communication Systems: Used for signal routing and selection in communication equipment such as routers, switches, and modems.
  2. Industrial Automation: Employed in control systems to select different sensor inputs or control signals.
  3. Test and Measurement Equipment: Utilized in test setups to switch between multiple input signals for analysis or measurement purposes.
  4. Consumer Electronics: Integrated into devices like audio/video switches, remote controls, and gaming consoles for signal routing and selection.

Detailed and Complete Alternative Models

  1. SN74HCT257: Similar 4-to-1 multiplexer IC from Texas Instruments.
  2. MC74HCT257: Equivalent CMOS logic IC from ON Semiconductor.
  3. 74HC257: High-speed CMOS quad 2-input multiplexer from NXP Semiconductors.

These alternative models offer similar functionality and can be used as replacements for the CD74HCT257M96 in various applications.

In conclusion, the CD74HCT257M96 is a high-speed CMOS logic IC that serves as a 4-to-1 multiplexer. It offers fast switching times, low power consumption, and compatibility with a wide range of digital systems. Its applications span across different industries, including communication systems, industrial automation, test equipment, and consumer electronics. Alternative models from different manufacturers provide flexibility in choosing suitable replacements for specific requirements.

기술 솔루션에 CD74HCT257M96 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of CD74HCT257M96 in technical solutions:

  1. Q: What is CD74HCT257M96? A: CD74HCT257M96 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 CD74HCT257M96? A: The operating voltage range for CD74HCT257M96 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current that CD74HCT257M96 can handle? A: CD74HCT257M96 can handle a maximum output current of 6mA.

  4. Q: Can CD74HCT257M96 be used for level shifting applications? A: Yes, CD74HCT257M96 can be used for level shifting as it has 3-state outputs that can interface with different voltage levels.

  5. Q: How many inputs does CD74HCT257M96 have? A: CD74HCT257M96 has four inputs, labeled A0, A1, A2, and A3.

  6. Q: What is the purpose of the 3-state outputs in CD74HCT257M96? A: The 3-state outputs allow the device to be connected to a bus or shared line without interfering with other devices on the same line.

  7. Q: What is the propagation delay of CD74HCT257M96? A: The propagation delay of CD74HCT257M96 is typically around 15ns.

  8. Q: Can CD74HCT257M96 be used in high-speed applications? A: CD74HCT257M96 is not specifically designed for high-speed applications, but it can be used in moderate-speed digital systems.

  9. Q: What is the package type of CD74HCT257M96? A: CD74HCT257M96 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

  10. Q: Can CD74HCT257M96 be used in automotive applications? A: Yes, CD74HCT257M96 is suitable for automotive applications as it can operate within the specified temperature range and voltage levels commonly found in vehicles.

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