NXP USA Inc.
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74HC14D/AUJ
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74HC14D/AUJ

Product Overview

Category

The 74HC14D/AUJ belongs to the category of integrated circuits (ICs) and specifically falls under the family of hex inverting Schmitt trigger.

Use

This product is commonly used in digital electronics for signal processing, waveform shaping, and noise filtering applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Low power consumption
  • Schmitt-trigger action on each input with no external components
  • Balanced propagation delays
  • Symmetrical output impedance

Package

The 74HC14D/AUJ is available in a surface-mount SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to provide reliable and efficient signal processing and noise filtering capabilities in digital electronic circuits.

Packaging/Quantity

The 74HC14D/AUJ is typically packaged in reels containing a quantity of 2500 units per reel.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to 125°C
  • Output Current: ±25mA
  • Propagation Delay: 11ns (typical) at 5V supply

Detailed Pin Configuration

The 74HC14D/AUJ features 14 pins arranged in a specific configuration: 1. Input 1 (A1) 2. Output 1 (Y1) 3. Input 2 (A2) 4. Output 2 (Y2) 5. Input 3 (A3) 6. Output 3 (Y3) 7. Ground (GND) 8. Input 4 (A4) 9. Output 4 (Y4) 10. Input 5 (A5) 11. Output 5 (Y5) 12. Input 6 (A6) 13. Output 6 (Y6) 14. VCC (Supply Voltage)

Functional Features

The 74HC14D/AUJ operates as a hex inverting Schmitt trigger, providing hysteresis to the input signals, which results in improved noise immunity and signal integrity. It converts noisy or distorted input waveforms into clean digital outputs.

Advantages and Disadvantages

Advantages

  • High-speed operation allows for rapid signal processing.
  • Wide operating voltage range enables versatile use in various electronic systems.
  • Low power consumption contributes to energy efficiency.

Disadvantages

  • Limited output current may not be suitable for high-power applications.
  • The need for careful consideration of input signal levels due to the Schmitt trigger action.

Working Principles

The 74HC14D/AUJ utilizes internal circuitry to implement the hex inverting Schmitt trigger functionality. When an input signal crosses the defined threshold levels, the output switches state, providing a clean and stable output signal.

Detailed Application Field Plans

This product finds extensive application in the following fields: - Digital signal processing - Waveform shaping - Noise filtering - Oscillator circuits - Signal conditioning

Detailed and Complete Alternative Models

Some alternative models to the 74HC14D/AUJ include: - CD40106B: Hex Schmitt Trigger - SN74HC14: Hex Schmitt-Trigger Inverters - MC74VHC1G14: Single Schmitt-Trigger Inverter

In conclusion, the 74HC14D/AUJ is a versatile and efficient IC that plays a crucial role in digital electronics, offering reliable signal processing and noise filtering capabilities across various applications.

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  1. Question: What is the operating voltage range of 74HC14D/AUJ?
    Answer: The operating voltage range of 74HC14D/AUJ is typically 2 to 6 volts.

  2. Question: Can 74HC14D/AUJ be used for signal conditioning and waveform shaping?
    Answer: Yes, 74HC14D/AUJ is commonly used for signal conditioning and waveform shaping due to its Schmitt-trigger inputs.

  3. Question: What is the maximum output current of 74HC14D/AUJ?
    Answer: The maximum output current per channel of 74HC14D/AUJ is typically 5.2 mA.

  4. Question: Is 74HC14D/AUJ suitable for use in high-noise environments?
    Answer: Yes, 74HC14D/AUJ is designed to tolerate high-noise environments, making it suitable for such applications.

  5. Question: What is the propagation delay of 74HC14D/AUJ?
    Answer: The propagation delay of 74HC14D/AUJ is typically 11 ns at 4.5V.

  6. Question: Can 74HC14D/AUJ be used in oscillator and pulse circuits?
    Answer: Yes, 74HC14D/AUJ is commonly used in oscillator and pulse circuits due to its Schmitt-trigger inputs and hysteresis.

  7. Question: Does 74HC14D/AUJ have built-in ESD protection?
    Answer: Yes, 74HC14D/AUJ features built-in ESD protection on all inputs and outputs.

  8. Question: What is the temperature range for 74HC14D/AUJ?
    Answer: The operating temperature range for 74HC14D/AUJ is typically -40°C to 125°C.

  9. Question: Can 74HC14D/AUJ be directly interfaced with microcontrollers?
    Answer: Yes, 74HC14D/AUJ can be directly interfaced with microcontrollers as it operates at standard logic levels.

  10. Question: Is 74HC14D/AUJ available in surface-mount packages?
    Answer: Yes, 74HC14D/AUJ is available in surface-mount packages, including the AUJ variant.