SN74LS02DE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Quad 2-input NOR gate
• Package: DIP-14 (Dual In-line Package with 14 pins)
• Essence: Combines four NOR gates in a single package
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• 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)
• Power Dissipation: 22 mW (typical)

Detailed Pin Configuration

The SN74LS02DE4 has a total of 14 pins arranged as follows:

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| | | 1 2 3 4 5 6 7 | | | | 14 13 12 11 10 9 8 | | |

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

Functional Features

• The SN74LS02DE4 is a quad 2-input NOR gate that performs logical NOR operations on two input signals.
• It provides four independent NOR gates in a single package, reducing the space required on a circuit board.
• The device operates at high speed and has low power consumption.
• It is compatible with TTL (Transistor-Transistor Logic) input levels.

Advantages and Disadvantages

Advantages: - Compact design with multiple NOR gates in a single package - High-speed operation - Low power consumption - Wide supply voltage range

Disadvantages: - Limited number of inputs per gate (only two) - Not suitable for applications requiring complex logic operations

Working Principles

The SN74LS02DE4 consists of four NOR gates, each with two inputs and one output. The gates perform logical NOR operations, where the output is low only when both inputs are high. The internal circuitry uses transistors and resistors to implement the NOR function.

Detailed Application Field Plans

The SN74LS02DE4 can be used in various digital logic applications, including:

1. Data processing systems
2. Arithmetic circuits
3. Control units
4. Memory address decoding
5. Signal conditioning circuits

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the SN74LS02DE4 are:

1. 74HC02: Quad 2-input NOR gate with CMOS technology
2. CD4001: Quad 2-input NOR gate with CMOS technology
3. MC14093B: Quad 2-input NOR gate with Schottky TTL technology

These alternatives offer compatibility with different logic families and may have variations in specifications and pin configurations.

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