CD74HCT27M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: High-speed, CMOS technology
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Triple 3-input NOR gate
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 9 ns (typical)
• Maximum Quiescent Current: 4µA at 5V
• Maximum Output Current: ±25mA

Detailed Pin Configuration

The CD74HCT27M has a total of 14 pins. The pin configuration is as follows:

1. A Input 1
2. B Input 1
3. C Input 1
4. Y Output 1
5. GND (Ground)
6. C Input 2
7. B Input 2
8. A Input 2
9. Y Output 2
10. VCC (Supply Voltage)
11. Y Output 3
12. C Input 3
13. B Input 3
14. A Input 3

Functional Features

• Triple 3-input NOR gate functionality
• High-speed operation due to HCT (High-Speed CMOS) technology
• Compatible with TTL (Transistor-Transistor Logic) inputs
• Balanced propagation delays for all inputs
• Low power consumption
• Schmitt-trigger input for noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient logic processing - Compatibility with TTL inputs enables easy integration into existing systems - Low power consumption reduces energy requirements - Schmitt-trigger input provides noise immunity, ensuring reliable operation

Disadvantages: - Limited to 3-input NOR gate functionality, may not be suitable for complex logic operations requiring more inputs - Operating temperature range may restrict usage in extreme environments

Working Principles

The CD74HCT27M is a triple 3-input NOR gate that operates using HCT technology. It accepts three input signals and produces an output based on the NOR gate truth table. The HCT technology ensures high-speed operation while maintaining compatibility with TTL inputs. The balanced propagation delays for all inputs ensure accurate timing of logic operations. The Schmitt-trigger input provides noise immunity, allowing for reliable performance even in noisy environments.

Detailed Application Field Plans

The CD74HCT27M can be used in various applications that require logic gate functionality. Some potential application fields include:

1. Digital signal processing
2. Data communication systems
3. Microcontroller-based systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

1. SN74HCT27: Similar triple 3-input NOR gate from Texas Instruments
2. MC74HCT27: Triple 3-input NOR gate from ON Semiconductor
3. CD74HC27: Triple 3-input NOR gate from Texas Instruments (non-Schmitt-trigger version)

These alternative models provide similar functionality to the CD74HCT27M and can be considered as alternatives depending on specific requirements and availability.

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