Description

 

The 7486 Quad 2-Input XOR Gate is a fundamental integrated circuit in the 7400 TTL logic family, designed to perform the exclusive OR (XOR) logical operation. This IC contains four independent 2-input XOR gates in a single 14-pin Dual Inline Package (DIP), making it ideal for use in digital arithmetic, error detection, signal processing, and logic design.

An XOR gate is a versatile digital component where the output is HIGH (1) only when the inputs are different. If both inputs are the same (both 0 or both 1), the output is LOW (0). This property makes the 7486 IC essential in circuits that require binary addition, parity checking, and controlled toggling operations.

The 7486 IC is widely used in digital electronics, educational experiments, and embedded systems, offering reliable performance, low power consumption, and fast switching speed. Its standard 14-pin DIP configuration makes it convenient for breadboard prototyping and PCB integration.

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⚙️ Key Features:

• Logic Function: Quad 2-input XOR gates

• Logic Family: TTL (Transistor-Transistor Logic)

• Inputs: 2 per gate, total 4 gates

• Outputs: 1 per gate, total 4 outputs

• High Noise Immunity: Ensures reliable operation in digital systems

• Fast Switching: Typical propagation delay ~10 ns

• Standard 14-Pin DIP Package: Easy to use in breadboards and PCB designs

• Operating Voltage: 4.75V to 5.25V typical (TTL standard)

• Power Dissipation: Low power consumption for efficient operation

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🧩 Pin Configuration (14-Pin DIP):

This layout ensures ease of connection in digital logic circuits.

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⚡ Electrical Characteristics:

• Supply Voltage (VCC): 5V TTL standard

• Input High Voltage (VIH): ≥ 2V

• Input Low Voltage (VIL): ≤ 0.8V

• Output Current (IOL/IOH): ±8 mA typical

• Propagation Delay: 10 ns typical

• Power Dissipation: ~2 mW per gate

These characteristics make the 7486 suitable for high-speed logic circuits and low-power digital applications.

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🧠 Logic Function:

The XOR (Exclusive OR) gate performs the following operation:

• Output HIGH (1) if inputs are different

• Output LOW (0) if inputs are the same

Truth Table:

This property makes the 7486 IC ideal for parity generators, adders, and digital control circuits.

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🛠️ Applications:

• Binary Addition Circuits: Forming half-adders and full-adders

• Parity Generators and Checkers: Detecting transmission errors

• Signal Processing: Controlled toggling and conditional logic

• Digital Logic Design and Educational Labs: Teaching XOR operation concepts

• Microcontroller Projects: Implementing logic conditions in embedded systems

• Frequency Divider Circuits: Using XOR for toggling outputs in sequential circuits

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💡 Advantages:

• Provides four independent XOR gates in one IC

• TTL compatible for easy integration in digital systems

• Low power consumption and high-speed performance

• Easy to use in breadboards and PCB designs

• Reliable output for complex logic functions

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📦 Package Includes:

• 1 × 7486 DIP Quad 2-Input XOR Gate IC

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📘 Conclusion:

The 7486 DIP Quad 2-Input XOR Gate is an essential IC for implementing exclusive OR logic in digital systems. With four independent gates, TTL compatibility, and fast switching speeds, it’s perfect for designing arithmetic circuits, parity checkers, signal processing circuits, and educational projects. Its DIP package ensures ease of prototyping, making it a versatile and reliable choice for both hobbyists and professionals.

 

 

7486 XOR Gate Truth table:      7486 XOR Gate  Datasheet