DM7400N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: Quad 2-Input NAND Gate
• Package: DIP (Dual In-line Package)
• Essence: Digital Logic Component
• Packaging/Quantity: Tube, 25 pieces per tube

Specifications

• Logic Family: TTL (Transistor-Transistor Logic)
• Number of Gates: 4
• Gate Type: NAND
• Input Voltage: 2.0V - 5.5V
• Output Voltage: 0V - Vcc
• Propagation Delay: 9ns (typical)
• Operating Temperature: -40°C to +85°C

Detailed Pin Configuration

The DM7400N has a total of 14 pins, which are numbered 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 (Power Supply)

Functional Features

• The DM7400N is a quad 2-input NAND gate, meaning it contains four separate NAND gates in a single package.
• It operates on TTL logic levels, making it compatible with other TTL devices.
• Each gate has two inputs (A and B) and one output (Y).
• The output of each gate is the logical NAND of its two inputs.
• The DM7400N provides a fast propagation delay of 9ns, allowing for efficient digital signal processing.

Advantages and Disadvantages

Advantages

• Compact design with multiple gates in a single package, saving space on circuit boards.
• TTL compatibility ensures easy integration with other TTL devices.
• Fast propagation delay enables high-speed digital logic operations.
• Wide operating temperature range allows for use in various environments.

Disadvantages

• Limited to NAND gate functionality, may not be suitable for all logic gate requirements.
• Requires external power supply (Vcc) for operation.
• Not compatible with CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

Working Principles

The DM7400N operates based on the principles of digital logic. Each NAND gate within the IC performs the logical NAND operation on its two input signals (A and B). The output of the gate is determined by the truth table of the NAND function: it will be low (0V) only when both inputs are high (5V), otherwise, the output will be high (Vcc).

Detailed Application Field Plans

The DM7400N can be used in various applications that require logical operations, such as:

1. Digital signal processing systems
2. Microcontrollers and microprocessors
3. Arithmetic and logic units (ALUs)
4. Data encryption and decryption circuits
5. Control systems and automation

Detailed and Complete Alternative Models

Some alternative models to the DM7400N include:

1. SN7400N: Similar quad 2-input NAND gate from Texas Instruments.
2. CD4011B: Quad 2-input NAND gate from Texas Instruments, using CMOS technology.
3. MC74HC00N: Quad 2-input NAND gate from ON Semiconductor, using high-speed CMOS technology.

These alternative models offer similar functionality but may have different specifications and characteristics.

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