MC74HCT14ANG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: High-Speed CMOS, Hex Schmitt Trigger Inverter
• Package: 14-Pin DIP (Dual Inline Package)
• Essence: The MC74HCT14ANG is a high-speed CMOS hex Schmitt trigger inverter. It is designed to transform slowly changing input signals into sharply defined, jitter-free output signals.
• Packaging/Quantity: Available in tubes or reels, with a quantity of 25 pieces per tube/reel.

Specifications

• Supply Voltage: 2.0V - 6.0V
• Input Voltage: 0V - VCC
• Output Voltage: 0V - VCC
• Operating Temperature Range: -55°C to +125°C
• Propagation Delay Time: 15ns (typical)
• Input Capacitance: 3.5pF (typical)
• Output Drive Capability: 10 LSTTL Loads

Pin Configuration

The MC74HCT14ANG has a 14-pin Dual Inline Package (DIP) configuration. The pinout diagram is as follows:

__ __ 1 | 1 14 | VCC 2 | 2 13 | A 3 | 3 12 | B 4 | 4 11 | C 5 | 5 10 | D 6 | 6 9 | E 7 | 7 8 | F ‾‾ ‾‾

Functional Features

• High-Speed CMOS technology allows for fast switching times and low power consumption.
• Hex Schmitt trigger inverter ensures clean and stable output signals even with noisy input signals.
• Wide operating voltage range makes it compatible with various systems.
• High output drive capability enables driving multiple loads without signal degradation.

Advantages and Disadvantages

Advantages: - Fast propagation delay time ensures quick response in digital circuits. - Schmitt trigger input provides hysteresis, making it immune to noise and signal fluctuations. - Low power consumption makes it suitable for battery-powered devices. - Wide operating temperature range allows for use in extreme environments.

Disadvantages: - Limited number of inputs and outputs (6 inverters). - Not suitable for high-frequency applications due to limited bandwidth.

Working Principles

The MC74HCT14ANG utilizes CMOS technology and Schmitt trigger circuitry. When the input voltage crosses a certain threshold, determined by the Schmitt trigger's hysteresis, the output switches states. This ensures that slow-changing or noisy input signals are transformed into clean and stable output signals.

Detailed Application Field Plans

The MC74HCT14ANG is commonly used in various digital logic applications, including:

1. Signal Conditioning: The Schmitt trigger functionality helps remove noise from input signals, making it ideal for conditioning analog signals before further processing.
2. Oscillators: By connecting the output of one inverter to the input of another, the MC74HCT14ANG can be used to create relaxation oscillators or square wave generators.
3. Level Shifting: It can be used to shift logic levels between different voltage domains, ensuring compatibility between different parts of a system.
4. Pulse Shaping: The Schmitt trigger action can be utilized to shape input pulses, converting irregular waveforms into well-defined square waves.

Detailed and Complete Alternative Models

Some alternative models to the MC74HCT14ANG include:

1. SN74HCT14N: Similar hex Schmitt trigger inverter from Texas Instruments.
2. CD40106BE: Hex Schmitt trigger inverter from Texas Instruments, with a wider supply voltage range.
3. 74HC14D: Hex Schmitt trigger inverter from Nexperia, with improved speed and lower power consumption.

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

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