SN74HCT08DBR

Product Overview

Category

SN74HCT08DBR belongs to the category of integrated circuits (ICs).

Use

It is commonly used as a quad 2-input AND gate.

Characteristics

• High-speed CMOS technology
• Compatible with TTL inputs
• Low power consumption
• Wide operating voltage range: 2V to 6V
• Schmitt-trigger input for noise immunity
• Balanced propagation delays
• Symmetrical output impedance

Package

SN74HCT08DBR is available in a small-outline package (SOIC) with 14 pins.

Essence

The essence of SN74HCT08DBR lies in its ability to perform logical AND operations on two input signals.

Packaging/Quantity

SN74HCT08DBR is typically sold in reels, with each reel containing 2500 units.

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 (max)
• Power Dissipation: 500 mW (max)

Detailed Pin Configuration

SN74HCT08DBR has a total of 14 pins. The pin configuration is as follows:

1. A1 (Input A1)
2. B1 (Input B1)
3. Y1 (Output Y1)
4. A2 (Input A2)
5. B2 (Input B2)
6. Y2 (Output Y2)
7. GND (Ground)
8. Y3 (Output Y3)
9. B3 (Input B3)
10. A3 (Input A3)
11. Y4 (Output Y4)
12. B4 (Input B4)
13. A4 (Input A4)
14. VCC (Supply Voltage)

Functional Features

• The SN74HCT08DBR is designed to perform logical AND operations on two input signals.
• It operates at high speed and is compatible with TTL inputs.
• The Schmitt-trigger input provides noise immunity, making it suitable for noisy environments.
• The balanced propagation delays ensure accurate timing in digital circuits.
• The symmetrical output impedance allows for easy interfacing with other devices.

Advantages and Disadvantages

Advantages

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Noise immunity due to Schmitt-trigger input
• Balanced propagation delays for accurate timing
• Symmetrical output impedance for easy interfacing

Disadvantages

• Limited number of inputs (quad 2-input AND gate)
• Not suitable for applications requiring more complex logic functions

Working Principles

SN74HCT08DBR works based on the principles of digital logic gates. It takes two input signals and performs a logical AND operation on them. The output signal is high only when both input signals are high; otherwise, the output remains low.

Detailed Application Field Plans

SN74HCT08DBR finds applications in various fields, including:

1. Digital electronics
2. Microcontroller-based systems
3. Communication systems
4. Industrial automation
5. Robotics
6. Automotive electronics
7. Consumer electronics

In these fields, SN74HCT08DBR is used for logical AND operations, enabling the implementation of various digital functions and control mechanisms.

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to SN74HCT08DBR include:

1. 74LS08: This is a similar quad 2-input AND gate IC but operates at a lower speed and has different voltage characteristics.
2. CD4081: This is a quad 2-input AND gate IC that operates at a higher voltage range but may have different power consumption characteristics.
3. MC14008: This is another quad 2-input AND gate IC with similar characteristics to SN74HCT08DBR.

These alternative models can be used depending on specific requirements and compatibility with the overall system design.

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