About 7402 IC
The 7402 is a versatile quad 2-input NOR gate IC built using high-speed CMOS technology. It combines fast switching performance with low power consumption, making it suitable for a wide range of digital logic applications. Inside the chip are four independent NOR gates, each capable of handling standard logic operations with stable and consistent output.
Designed with buffered outputs, the IC delivers strong noise immunity and can efficiently interface with multiple TTL loads. Its compatibility with the 74LS logic family ensures easy integration into both new and existing circuit designs. Additionally, internal protection diodes help safeguard the inputs from static discharge, improving overall durability and reliability.
Whether you’re building logic circuits, control systems, or learning digital electronics, the 74HC02 offers dependable performance in a compact DIP-14 package.
Key Features:
- Four independent 2-input NOR gates
- High-speed CMOS operation with low power usage
- Buffered outputs for stable and noise-resistant performance
- Compatible with standard 74LS logic family
- Capable of driving multiple TTL inputs
- Built-in input protection against static discharge
Technical Specifications:
- Operating Voltage Range: 2V to 6V
- Package: DIP-14
- DC Input Current (per pin): ±20 mA
- DC Output Current (per pin): ±25 mA
- Operating Temperature Range: –65°C to +150°C
Package Includes:
- 1 × 74HC02 NOR Gate IC
A reliable choice for students, hobbyists, and engineers working on digital logic and embedded system projects.

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