SN7400DR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: Quad 2-Input NAND Gate
• Package: SOIC-14
• Essence: High-performance digital logic gate
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Logic Family: TTL (Transistor-Transistor Logic)
• Number of Inputs: 2
• Number of Outputs: 1
• Propagation Delay: 9 ns (typical)
• Operating Voltage: 2V to 6V
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The SN7400DR has a total of 14 pins. The pin configuration is as follows:

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

Functional Features

• Quad 2-Input NAND gate with open-drain outputs
• High-speed operation
• Compatible with various TTL families
• Wide operating voltage range
• Low power consumption
• Schmitt-trigger input for noise immunity

Advantages and Disadvantages

Advantages

• Fast propagation delay allows for high-speed applications
• Open-drain outputs provide flexibility in circuit design
• Wide operating voltage range enables compatibility with different systems
• Low power consumption helps conserve energy
• Schmitt-trigger input enhances noise immunity

Disadvantages

• Limited number of inputs and outputs (2 inputs, 1 output per gate)
• Not suitable for applications requiring complex logic functions

Working Principles

The SN7400DR is a quad 2-input NAND gate that performs logical AND operation on two input signals. It utilizes TTL technology, which employs bipolar transistors to implement the logic gates. The open-drain outputs allow for wired-OR connections, making it suitable for bus-oriented applications.

Detailed Application Field Plans

The SN7400DR can be used in various digital systems and applications, including but not limited to:

1. Arithmetic circuits
2. Data processing units
3. Control systems
4. Memory address decoding
5. Clock synchronization circuits
6. Signal conditioning circuits
7. Interface circuits

Detailed and Complete Alternative Models

1. SN74LS00: Quad 2-Input NAND Gate (LS-TTL family)
2. SN74HC00: Quad 2-Input NAND Gate (HC-CMOS family)
3. SN74ACT00: Quad 2-Input NAND Gate (ACT-CMOS family)
4. CD4011: Quad 2-Input NAND Gate (CMOS family)

These alternative models offer similar functionality and can be used as substitutes for the SN7400DR in different applications.

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