Description

7428 NOR Gate IC DIP


Description:

7428 NOR Gate is a high-quality quad 2-input NOR gate IC designed for reliable digital logic operations. The 7428 NOR Gate performs the logical NOR function, providing an output that is LOW only when any input is HIGH. It is widely used in combinational logic design, control systems, and signal processing circuits.

Built using TTL (Transistor-Transistor Logic) technology, the 7428 NOR Gate offers fast switching speed, low power consumption, and robust performance under a wide range of electrical conditions. It comes in a standard DIP (Dual Inline Package) format, which makes it easy to integrate onto breadboards or printed circuit boards for prototyping and educational applications.

This IC ensures consistent logic performance, making it a preferred choice for engineers, students, and circuit designers working on digital logic systems and fundamental electronic projects.


Key Features:

  • Four Independent 2-Input NOR Gates: Enables multiple logic operations within a single chip.

  • TTL Compatible Inputs and Outputs: Ensures easy interfacing with other standard logic families.

  • Fast Switching Speed: Suitable for high-frequency digital logic circuits.

  • Wide Operating Voltage Range: Typically operates from 4.75V to 5.25V.

  • Standard DIP Package: Facilitates easy installation and replacement.

  • High Noise Immunity: Provides stable and reliable operation in noisy environments.

  • Low Power Consumption: Optimized for energy-efficient circuit design.


Applications:

  • Digital logic design and experimentation

  • Microcontroller and embedded systems

  • Industrial automation and control circuits

  • Signal processing and timing circuits

  • Educational kits and laboratory experiments

  • Binary logic computation and combinational systems


Electrical Characteristics (Typical Values):

Parameter Symbol Value Unit
Supply Voltage Vcc 5 V
High-Level Input Voltage VIH 2.0 (min) V
Low-Level Input Voltage VIL 0.8 (max) V
High-Level Output Current IOH -0.4 mA
Low-Level Output Current IOL 16 mA
Propagation Delay (typical) tpd 12 ns
Operating Temperature Tj 0 to +70 °C

Advantages:

  • Combines four NOR gates in a single IC for efficient logic design.

  • Provides consistent and fast logic response for digital applications.

  • Simple to use for both beginners and professional engineers.

  • Durable TTL construction ensures reliability in industrial and educational circuits.

  • Compact DIP format makes it easy to test and prototype with breadboards.


Summary:

The 7428 NOR Gate is a versatile and dependable digital logic IC that integrates four independent 2-input NOR gates in a single package. Designed for high-speed TTL applications, it provides excellent performance in combinational logic circuits, controllers, and learning environments. Whether used in microcontroller projects, timing logic, or digital system design, the 7428 NOR Gate delivers efficiency, accuracy, and long-term reliability. Its standard DIP package makes it ideal for both educational and professional circuit development.

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