MM74HCT14M

Product Overview

• Category: Integrated Circuit
• Use: Inverter Schmitt Trigger
• Characteristics: High-speed, low-power, TTL-compatible
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Hex Schmitt Trigger
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 13 ns (typical)
• Input Capacitance: 3.5 pF (typical)

Pin Configuration

The MM74HCT14M has a total of 14 pins arranged as follows:

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

Functional Features

• Hex Schmitt Trigger with TTL-compatible inputs
• Provides hysteresis for improved noise immunity
• High-speed operation suitable for various applications
• Low power consumption for energy-efficient designs
• Wide operating voltage range for flexibility

Advantages and Disadvantages

Advantages: - High-speed operation allows for quick signal processing - Low power consumption helps conserve energy - TTL-compatible inputs ensure easy integration with existing systems - Hysteresis improves noise immunity, reducing false triggering

Disadvantages: - Limited output current capability - Not suitable for high-voltage applications

Working Principles

The MM74HCT14M is a Hex Schmitt Trigger integrated circuit. It utilizes hysteresis to provide improved noise immunity and stable output transitions. The device accepts TTL-compatible input signals and converts them into inverted output signals. The Schmitt Trigger action ensures that the output switches at different voltage levels for rising and falling input signals, preventing false triggering caused by noise or signal fluctuations.

Detailed Application Field Plans

The MM74HCT14M can be used in various applications, including:

1. Signal Conditioning: The Schmitt Trigger functionality makes it ideal for conditioning analog signals with varying noise levels.
2. Oscillators: The device can be used to generate square wave oscillations in oscillator circuits.
3. Level Shifting: It can be employed to shift logic levels between different voltage domains.
4. Pulse Shaping: The Schmitt Trigger characteristics enable precise pulse shaping in digital communication systems.
5. Noise Filtering: The hysteresis feature helps filter out noise from input signals, making it suitable for noise-sensitive applications.

Detailed and Complete Alternative Models

1. SN74HCT14N: Similar Hex Schmitt Trigger IC with DIP (Dual Inline Package) packaging.
2. CD40106BE: Hex Schmitt Trigger IC with wider operating voltage range and different pin configuration.
3. 74HC14D: Hex Inverter Schmitt Trigger IC with similar characteristics but different pinout.

These alternative models offer similar functionality and can be considered as replacements for the MM74HCT14M depending on specific requirements.

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