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MC74HC126AFELG
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MC74HC126AFELG

Product Overview

  • Category: Integrated Circuit
  • Use: Logic Gate Buffer/Driver
  • Characteristics:
    • High-Speed CMOS Technology
    • Quad 3-State Non-Inverting Buffer
    • Wide Operating Voltage Range (2V to 6V)
    • High Noise Immunity
  • Package: SOIC-14
  • Essence: MC74HC126AFELG is a logic gate buffer/driver integrated circuit that provides four non-inverting buffers with 3-state outputs.
  • Packaging/Quantity: The MC74HC126AFELG is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage Range: 2V to 6V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Input Current: ±1mA
  • Maximum Output Current: ±25mA
  • Propagation Delay Time: 9ns (typical)
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The MC74HC126AFELG has a total of 14 pins arranged as follows:

__ __ 1 | 1 14 | VCC 2 | 2 13 | 1Y 3 | 3 12 | 2Y 4 | 4 11 | 3Y 5 | 5 10 | 4Y GND | 6 9 | 3A 1A | 7 8 | 2A ‾‾ ‾‾

Functional Features

  • Quad 3-State Non-Inverting Buffers: The MC74HC126AFELG provides four independent non-inverting buffers with 3-state outputs.
  • High-Speed CMOS Technology: The integrated circuit is built using high-speed CMOS technology, allowing for fast switching times and high performance.
  • Wide Operating Voltage Range: The MC74HC126AFELG can operate within a voltage range of 2V to 6V, making it compatible with various power supply configurations.
  • High Noise Immunity: The device has high noise immunity, ensuring reliable operation even in noisy environments.

Advantages and Disadvantages

Advantages: - Fast switching times due to high-speed CMOS technology - Wide operating voltage range allows for flexibility in power supply selection - High noise immunity ensures reliable operation in noisy environments

Disadvantages: - Limited output current capability (±25mA) - Propagation delay time may affect timing-sensitive applications

Working Principles

The MC74HC126AFELG operates as a buffer/driver by taking input signals and providing amplified and inverted versions at the output. The 3-state outputs allow the device to be effectively disconnected from the bus when not in use, reducing power consumption and preventing interference.

Detailed Application Field Plans

The MC74HC126AFELG is commonly used in various digital systems and applications, including:

  1. Microprocessor-based systems
  2. Data communication equipment
  3. Industrial control systems
  4. Automotive electronics
  5. Consumer electronics

Alternative Models

Some alternative models that offer similar functionality to the MC74HC126AFELG include:

  1. SN74HC126N by Texas Instruments
  2. CD74HC126E by Texas Instruments
  3. 74HCT126 by NXP Semiconductors
  4. 74LS126 by Fairchild Semiconductor
  5. 74F126 by ON Semiconductor

These alternatives can be considered based on specific requirements and availability.

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技術ソリューションにおける MC74HC126AFELG の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of MC74HC126AFELG in technical solutions:

  1. Q: What is MC74HC126AFELG? A: MC74HC126AFELG is a quad bus buffer gate with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for MC74HC126AFELG? A: The operating voltage range for MC74HC126AFELG is typically between 2V and 6V.

  3. Q: What is the maximum output current that MC74HC126AFELG can handle? A: MC74HC126AFELG can handle a maximum output current of 25mA per channel.

  4. Q: Can MC74HC126AFELG be used as a level shifter? A: Yes, MC74HC126AFELG can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many channels does MC74HC126AFELG have? A: MC74HC126AFELG has four independent channels.

  6. Q: What is the propagation delay of MC74HC126AFELG? A: The propagation delay of MC74HC126AFELG is typically around 12ns.

  7. Q: Can MC74HC126AFELG be used in high-speed applications? A: Yes, MC74HC126AFELG is suitable for high-speed applications due to its fast switching characteristics.

  8. Q: Is MC74HC126AFELG compatible with TTL logic levels? A: Yes, MC74HC126AFELG is compatible with both CMOS and TTL logic levels.

  9. Q: Can MC74HC126AFELG be used in bidirectional applications? A: No, MC74HC126AFELG is a unidirectional buffer and cannot be used for bidirectional communication.

  10. Q: What is the package type of MC74HC126AFELG? A: MC74HC126AFELG is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.

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