Texas Instruments
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CD74HC126M
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CD74HC126M

Product Overview

Category

CD74HC126M belongs to the category of integrated circuits (ICs).

Use

It is commonly used in digital logic applications.

Characteristics

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

Package

CD74HC126M is available in a 14-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of CD74HC126M lies in its ability to provide high-speed, low-power digital logic functions.

Packaging/Quantity

CD74HC126M is typically packaged in reels or tubes and is available in quantities of hundreds or thousands per package.

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
  • Maximum Propagation Delay: 13 ns
  • Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

  1. GND (Ground)
  2. A1 (Input A1)
  3. Y1 (Output Y1)
  4. A2 (Input A2)
  5. Y2 (Output Y2)
  6. A3 (Input A3)
  7. Y3 (Output Y3)
  8. OE (Output Enable)
  9. VCC (Supply Voltage)
  10. B3 (Input B3)
  11. Y4 (Output Y4)
  12. B2 (Input B2)
  13. Y5 (Output Y5)
  14. B1 (Input B1)

Functional Features

  • Quad 3-state non-inverting buffer
  • Output enable input for easy control of outputs
  • High-speed operation for efficient digital signal processing
  • Schmitt-trigger action on all inputs ensures noise immunity

Advantages and Disadvantages

Advantages

  • High-speed operation allows for quick data processing
  • Wide operating voltage range provides flexibility in various applications
  • Low power consumption helps conserve energy
  • Compatibility with TTL inputs enables easy integration with existing systems
  • Schmitt-trigger action on all inputs ensures reliable performance in noisy environments

Disadvantages

  • Limited number of buffer outputs (4 in total)
  • Not suitable for applications requiring a large number of output buffers

Working Principles

CD74HC126M operates as a quad 3-state non-inverting buffer. It takes input signals and amplifies them to provide corresponding output signals. The output enable input allows for easy control of the outputs, enabling or disabling them as required. The high-speed operation and Schmitt-trigger action on all inputs ensure reliable and accurate signal processing.

Detailed Application Field Plans

CD74HC126M finds applications in various fields, including but not limited to: 1. Digital communication systems 2. Microcontroller-based projects 3. Industrial automation 4. Robotics 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to CD74HC126M are: 1. SN74HC126N 2. MC74HC126AN 3. 74HCT126

These models offer similar functionality and characteristics, providing options for different design requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de CD74HC126M dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of CD74HC126M in technical solutions:

  1. Q: What is CD74HC126M? A: CD74HC126M is a quad buffer/line driver IC (integrated circuit) that provides high-speed logic level shifting and signal buffering capabilities.

  2. Q: What is the operating voltage range for CD74HC126M? A: CD74HC126M operates within a voltage range of 2V to 6V.

  3. Q: What is the maximum output current of CD74HC126M? A: The maximum output current of CD74HC126M is typically around 8mA.

  4. Q: Can CD74HC126M be used for level shifting between different logic families? A: Yes, CD74HC126M can be used for level shifting between CMOS (Complementary Metal-Oxide-Semiconductor) and TTL (Transistor-Transistor Logic) logic families.

  5. Q: What is the typical propagation delay of CD74HC126M? A: The typical propagation delay of CD74HC126M is around 9ns.

  6. Q: Can CD74HC126M be used as a bidirectional buffer? A: No, CD74HC126M is a unidirectional buffer and cannot be used for bidirectional buffering.

  7. Q: What is the maximum operating frequency of CD74HC126M? A: The maximum operating frequency of CD74HC126M is typically around 50MHz.

  8. Q: Can CD74HC126M drive capacitive loads directly? A: CD74HC126M can drive small capacitive loads directly, but for larger capacitive loads, it is recommended to use an external series resistor to limit the current.

  9. Q: Is CD74HC126M tolerant to 5V logic inputs when powered with a 3.3V supply? A: Yes, CD74HC126M is 5V tolerant on its inputs when powered with a 3.3V supply.

  10. Q: Can CD74HC126M be used in high-noise environments? A: CD74HC126M has built-in noise immunity features, but for high-noise environments, it is recommended to use additional noise filtering techniques or consider using other ICs specifically designed for such applications.

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