MC74HC14AFELG

Product Overview

• Category: Integrated Circuit
• Use: Inverter Schmitt Trigger
• Characteristics: High-Speed CMOS, Hex Schmitt Trigger, Wide Operating Voltage Range
• Package: SOIC-14
• Essence: The MC74HC14AFELG is a high-speed CMOS inverter Schmitt trigger integrated circuit. It is designed to convert slowly changing input signals into sharply defined, jitter-free output signals.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

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

Pin Configuration

The MC74HC14AFELG has a total of 14 pins arranged as follows:

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

Functional Features

• High-Speed CMOS technology allows for fast switching times.
• Hex Schmitt Trigger design ensures clean and stable output signals.
• Wide operating voltage range makes it compatible with various power supply systems.
• Low power consumption makes it suitable for battery-powered applications.
• Schmitt trigger input hysteresis provides noise immunity and improved signal integrity.

Advantages

• Fast propagation delay enables high-speed signal processing.
• Stable output signals eliminate jitter and improve system reliability.
• Wide operating voltage range increases versatility in different applications.
• Low power consumption prolongs battery life in portable devices.
• Noise immunity provided by the Schmitt trigger input enhances signal quality.

Disadvantages

• Limited number of inputs and outputs restricts the complexity of circuits that can be built using a single IC.
• The SOIC-14 package may not be suitable for applications requiring smaller form factors.

Working Principles

The MC74HC14AFELG operates based on the principles of CMOS logic. It utilizes a Schmitt trigger circuit to convert slowly changing input signals into well-defined digital output signals. The Schmitt trigger's hysteresis ensures that the output transitions occur at specific voltage thresholds, providing noise immunity and preventing false triggering.

Detailed Application Field Plans

The MC74HC14AFELG is commonly used in various electronic applications, including:

1. Signal Conditioning: The Schmitt trigger functionality makes it ideal for cleaning up noisy input signals before further processing.
2. Oscillators: By connecting the output of one inverter to the input of another, the MC74HC14AFELG can be used to create simple oscillators for generating clock signals or timing pulses.
3. Level Shifting: The wide operating voltage range allows for level shifting between different logic families or interfacing with devices operating at different voltage levels.
4. Pulse Shaping: The Schmitt trigger's hysteresis can be used to shape input pulses, ensuring clean and well-defined output pulses.

Detailed and Complete Alternative Models

• SN74HC14N: Similar in functionality and specifications, available in DIP-14 package.
• CD40106BE: Hex Schmitt Trigger IC with similar characteristics, available in DIP-14 package.
• 74HCT14: High-Speed CMOS Hex Inverter Schmitt Trigger, compatible with 5V logic systems.

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