74AHC14D

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74AHC14D

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Inverters HEX INVERTER SCHMITT TRIGGER

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Standard Pack Qty 57

概述

Description

The 74AHC14D is a high-speed CMOS Schmitt-trigger inverter IC, part of the 74AHC series. It features six independent inverters with Schmitt-trigger inputs, providing greater noise immunity and faster switching characteristics compared to standard logic inverters. Its key specifications include a wide supply voltage range from 2V to 5.5V, making it suitable for various digital applications. The Schmitt-trigger functionality ensures that the device can handle slow input rise and fall times effectively, reducing noise and improving signal integrity.
The IC is designed to be used in applications where signal conditioning and waveform shaping are necessary, such as debouncing switches, transforming noisy signals into clean digital levels, and interfacing between analog and digital circuits. The 74AHC14D is available in a small-outline package, which is convenient for space-constrained designs. It is commonly utilized in consumer electronics, telecommunications, and industrial control systems. With its high-speed operation and robust noise performance, the 74AHC14D is a versatile component for enhancing digital circuit reliability and performance.

Equivalent

The 74AHC14D is a hex Schmitt-trigger inverter manufactured by Nexperia. Equivalent products include:
1. 74HC14 from Texas Instruments.
2. SN74AHC14 from Texas Instruments.
3. MC74VHC14 from ON Semiconductor.
4. CD40106 from various manufacturers.
These components offer similar functionalities with Schmitt-trigger inputs that improve signal integrity by providing hysteresis, making them suitable alternatives in digital logic applications. Always verify the specifications for compatibility in your specific application.

Features

The 74AHC14D is a high-speed CMOS device featuring six independent Schmitt trigger inverters. Key features include:
1. Schmitt Trigger Inputs: These inputs provide hysteresis for improved noise immunity and clean signal transitions, making it ideal for noisy environments.

2. High-Speed Operation: The device supports fast signal processing, suitable for high-frequency applications.
3. Wide Supply Voltage Range: Operates efficiently over a voltage range of 2V to 5.5V, accommodating various power supply needs.
4. Low Power Consumption: Designed for minimal power usage, making it suitable for battery-powered devices.
5. Standard Pin Configuration: Compatible with industry-standard pin layouts for easy integration into existing designs.
6. Temperature Range: Functions reliably over a broad temperature range, typically -40°C to +125°C, suitable for industrial applications.
7. Output Drive Capability: Can source or sink a reasonable amount of current, useful for driving other components.
These features make the 74AHC14D a versatile choice for applications requiring reliable signal handling and noise resistance.

Pinout

The 74AHC14D is a hex Schmitt-trigger inverter from the 74AHC logic family. It contains six independent inverters with Schmitt-trigger action. This IC is typically housed in a 14-pin package. The function of each pin is as follows:
1. Pin 1: 1A - Input for the first inverter
2. Pin 2: 1Y - Output for the first inverter
3. Pin 3: 2A - Input for the second inverter
4. Pin 4: 2Y - Output for the second inverter
5. Pin 5: 3A - Input for the third inverter
6. Pin 6: 3Y - Output for the third inverter
7. Pin 7: GND - Ground
8. Pin 8: 4A - Input for the fourth inverter
9. Pin 9: 4Y - Output for the fourth inverter
10. Pin 10: 5A - Input for the fifth inverter
11. Pin 11: 5Y - Output for the fifth inverter
12. Pin 12: 6A - Input for the sixth inverter
13. Pin 13: 6Y - Output for the sixth inverter
14. Pin 14: VCC - Positive supply voltage
The Schmitt-trigger action provides hysteresis between the positive-going and negative-going input thresholds, making it useful for signal conditioning and noise immunity.

Manufacturer

The 74AHC14D is manufactured by Nexperia. Nexperia is a global semiconductor company headquartered in Nijmegen, Netherlands. They specialize in the production of discrete components, logic devices, and MOSFETs. The company was formed in 2017 when it was spun off from NXP Semiconductors, and it focuses on high-volume, energy-efficient products that are commonly used in automotive, industrial, computing, and consumer electronics applications.

Application

The 74AHC14D is a high-speed CMOS logic IC featuring Schmitt-trigger inputs, which makes it ideal for applications requiring signal conditioning and noise immunity. Typical application areas include:
1. Signal Debouncing: Useful in eliminating noise in mechanical switches and push buttons.
2. Oscillator Circuits: Can be used to create clock pulses and waveform generation.
3. Wave Shaping: Helps in transforming irregular waveforms into usable digital signals.
4. Level Conversion: Adapts different signal levels for various communication protocols.
5. Digital Signal Processing: Enhances reliability in digital systems by cleaning up noisy signals.
Its versatility in handling various digital signals makes it useful in both consumer electronics and industrial systems.

Package

The 74AHC14D is a hex Schmitt-trigger inverter IC, and it typically comes in a small-outline integrated circuit (SOIC) package. The "D" in the part number usually indicates the SOIC package type, which is a surface-mounted package ideal for compact circuit boards.