Texas Instruments
Afbeelding kan een representatie zijn.
Zie specificaties voor productdetails.
CD74AC14M
Details bekijken DataSheets

CD74AC14M

Product Overview

  • Category: Integrated Circuit
  • Use: Inverting Schmitt Trigger
  • Characteristics: High-speed, low-power, hex inverter with Schmitt-trigger inputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: The CD74AC14M is a member of the AC series of integrated circuits. It is specifically designed to provide high-speed, low-power operation for various digital logic applications.
  • Packaging/Quantity: Available in reels or tubes, with 2500 units per reel/tube.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 5ns (typical)
  • Quiescent Current: 4μA (maximum)

Pin Configuration

The CD74AC14M has a total of 14 pins, numbered as follows:

  1. Input A1
  2. Output Y1
  3. Input A2
  4. Output Y2
  5. Input A3
  6. Output Y3
  7. Ground (GND)
  8. Power Supply (VCC)
  9. Output Y4
  10. Input A4
  11. Output Y5
  12. Input A5
  13. Output Y6
  14. Input A6

Functional Features

  • Hex Schmitt-trigger inverter
  • Provides hysteresis for improved noise immunity
  • Converts slowly changing input signals into sharply defined, jitter-free output signals
  • High-speed operation allows for efficient signal processing

Advantages and Disadvantages

Advantages

  • High-speed operation enables quick signal processing
  • Low power consumption for energy-efficient applications
  • Schmitt-trigger inputs provide noise immunity and signal conditioning
  • Compact SOIC package allows for space-saving integration

Disadvantages

  • Limited voltage range (2V to 6V)
  • Propagation delay may impact timing-sensitive applications
  • Not suitable for high-power applications due to low output current capability

Working Principles

The CD74AC14M is an inverting Schmitt trigger, which means it converts input signals with slow transitions into output signals with fast transitions. It achieves this by utilizing positive feedback to introduce hysteresis. The hysteresis ensures that the output switches only when the input crosses specific voltage thresholds, reducing the effects of noise and providing a stable output.

Detailed Application Field Plans

The CD74AC14M can be used in various digital logic applications, including:

  1. Signal Conditioning: The Schmitt-trigger inputs help clean up noisy signals, making it suitable for applications where reliable signal detection is crucial.
  2. Oscillators: By connecting the output of one inverter to the input of another, the CD74AC14M can be used to create oscillators for clock generation or timing purposes.
  3. Level Shifting: The inverting nature of the device allows for level shifting between different voltage domains in mixed-signal systems.

Detailed and Complete Alternative Models

  1. SN74AC14: Similar to the CD74AC14M, but available in a different package (DIP - Dual Inline Package).
  2. MC74AC14: Another alternative with similar functionality, but manufactured by a different company (Motorola).

These alternative models offer similar features and can be used as replacements for the CD74AC14M in various applications.

Word count: 431 words

Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van CD74AC14M in technische oplossingen

Sure! Here are 10 common questions and answers related to the application of CD74AC14M in technical solutions:

  1. Q: What is CD74AC14M? A: CD74AC14M is a hex inverter Schmitt trigger, which is a type of integrated circuit (IC) commonly used in digital electronics.

  2. Q: What is the purpose of CD74AC14M? A: CD74AC14M is used to convert input signals into inverted output signals with hysteresis, making it useful for noise filtering and signal conditioning applications.

  3. Q: What voltage levels does CD74AC14M support? A: CD74AC14M operates at a supply voltage range of 2V to 6V, making it compatible with both TTL and CMOS logic families.

  4. Q: How many inverters are there in CD74AC14M? A: CD74AC14M contains six independent inverters, allowing for multiple signal conversions within a single IC package.

  5. Q: Can CD74AC14M handle high-speed signals? A: Yes, CD74AC14M is designed for high-speed operation, with propagation delays typically in the nanosecond range.

  6. Q: What is the maximum current that CD74AC14M can source or sink? A: CD74AC14M can source or sink up to 24mA of current per output pin, making it suitable for driving various loads.

  7. Q: Is CD74AC14M tolerant to electrostatic discharge (ESD)? A: Yes, CD74AC14M has built-in ESD protection, ensuring its reliability in environments where ESD events may occur.

  8. Q: Can CD74AC14M be used in battery-powered applications? A: Yes, CD74AC14M's low power consumption and wide supply voltage range make it suitable for battery-powered devices.

  9. Q: What is the operating temperature range of CD74AC14M? A: CD74AC14M can operate within a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.

  10. Q: Are there any specific precautions when using CD74AC14M? A: It is recommended to follow the manufacturer's datasheet for proper handling, storage, and PCB layout guidelines to ensure optimal performance and reliability of CD74AC14M.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the manufacturer's datasheet for accurate and detailed information.