74HC02D Toshiba Electronic Devices and Storage Corporation IC GATE NOR 4CH 2-INP 14SOIC

The 74HC02D is an integrated circuit (IC) manufactured by Toshiba Electronic Devices and Storage Corporation. Here's an overview of the 74HC02D IC:

74HC02D Overview:

  • Manufacturer: Toshiba Electronic Devices and Storage Corporation
  • Part Number: 74HC02D
  • IC Type: Quad 2-input NOR Gate
  • Package: 14-SOIC (Small Outline Integrated Circuit)
  • DataSheet 74HC02D PDF

Key Features:

  • Number of Gates: This IC contains four 2-input NOR gates.
  • Logic Family: HC (High-Speed CMOS)
  • Operating Voltage: Typically operates at 2V to 6V
  • Low Power Consumption: HC series ICs are known for their high speed and low power consumption characteristics.
  • SOIC Package: The 14-SOIC package is a surface-mount package with a small outline, suitable for compact designs on PCBs.

Pin Configuration (14-SOIC):

The 74HC02D IC in a 14-SOIC package typically has pins dedicated to power supply, control, inputs, and outputs. Specific pin configurations can be found in the datasheet provided by Toshiba Electronic Devices and Storage Corporation.


The 74HC02D is commonly used in digital electronics circuits for tasks like:

  • Logical operation implementation
  • Signal processing
  • Data routing and switching
  • Boolean logic applications
  • Control applications

Working Principle:

  • A NOR gate produces a high output (logic 1) only when both inputs are low (logic 0). For all other input combinations, the output is high (logic 1).
  • The 74HC02D contains four such NOR gates, allowing for versatile logic operations.

Suggested Projects:

  • Building basic logic circuits
  • Prototyping digital systems
  • Educational purposes in learning digital electronics


  • Ensure to refer to the datasheet of the 74HC02D provided by Toshiba Electronic Devices and Storage Corporation for detailed specifications, electrical characteristics, and application notes specific to this IC.
  • Understanding how to integrate this IC into your circuit design is crucial for leveraging its logic functions effectively.

The 74HC02D is a fundamental building block for digital logic circuits due to its versatile and basic NOR gate functionality.

Copyright © 2024 ZHONG HAI SHENG TECHNOLOGY LIMITED All Rights Reserved.

Заявление о конфиденциальности | Условия эксплуатации | Гарантия качества