DM7442AN

Product Overview

• Category: Integrated Circuit
• Use: Logic Gate
• Characteristics: Quad 2-input NOR gate
• Package: DIP (Dual In-line Package)
• Essence: The DM7442AN is a logic gate integrated circuit that performs the NOR operation on two input signals.
• Packaging/Quantity: The DM7442AN is typically sold in packs of 10.

Specifications

• Logic Family: TTL (Transistor-Transistor Logic)
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 10 ns
• Output Current: 8 mA
• Input Voltage: 0.8V (Low), 2V (High)
• Power Dissipation: 22 mW

Detailed Pin Configuration

The DM7442AN has a total of 14 pins, which are assigned specific functions as follows:

1. Pin 1: Input A1
2. Pin 2: Input B1
3. Pin 3: Output Y1
4. Pin 4: Ground (GND)
5. Pin 5: Input A2
6. Pin 6: Input B2
7. Pin 7: Output Y2
8. Pin 8: VCC (+5V)
9. Pin 9: Input A3
10. Pin 10: Input B3
11. Pin 11: Output Y3
12. Pin 12: Enable (EN)
13. Pin 13: Input A4
14. Pin 14: Input B4
15. Pin 15: Output Y4

Functional Features

• The DM7442AN is a quad 2-input NOR gate, meaning it can perform the NOR operation on two input signals.
• It operates on a 5V supply voltage and is compatible with TTL logic levels.
• The propagation delay of the DM7442AN is 10 ns, making it suitable for high-speed applications.
• It has an output current capability of 8 mA, allowing it to drive standard TTL loads.

Advantages and Disadvantages

Advantages

• High-speed operation
• Wide operating temperature range
• Compatible with TTL logic levels
• Can drive standard TTL loads

Disadvantages

• Limited number of inputs (4 inputs)
• Requires external enable signal for operation

Working Principles

The DM7442AN works based on the NOR gate logic. It takes two input signals and produces the logical NOR of those inputs at the corresponding output pin. The internal circuitry of the DM7442AN consists of transistors and resistors that implement the NOR gate functionality.

Detailed Application Field Plans

The DM7442AN can be used in various digital logic applications, including:

1. Arithmetic circuits
2. Data processing systems
3. Control systems
4. Memory circuits
5. Communication systems

Detailed and Complete Alternative Models

Some alternative models to the DM7442AN include:

1. SN74LS02N: Quad 2-input NOR gate, TTL logic family
2. CD4001BE: Quad 2-input NOR gate, CMOS logic family
3. MC14093B: Quad 2-input NOR gate, CMOS logic family
4. 74HC02: Quad 2-input NOR gate, CMOS logic family

These alternative models offer similar functionality and can be used as replacements for the DM7442AN in various applications.

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