STMicroelectronics

M74HCT02B1R  

Gates and Inverters

M74HCT02B1R Description

The M74HCT02B1R is a high-performance NOR gate integrated circuit (IC) from STMicroelectronics, designed for a wide range of digital logic applications. This IC features four independent NOR gates, each with two inputs, making it highly versatile for various digital circuit designs. The M74HCT02B1R operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard TTL and CMOS logic levels.

M74HCT02B1R Features

• Logic Type: NOR Gate
• Number of Circuits: 4
• Number of Inputs per Circuit: 2
• Max Propagation Delay: 24ns at 4.5V with a maximum load capacitance of 50pF
• Input Logic Levels:
  • Low: 0.8V
  • High: 2V
• Output Current:
  • High: 4mA
  • Low: 4mA
• Quiescent Current: Maximum of 1 µA
• Supply Voltage Range: 4.5V to 5.5V
• Mounting Type: Through Hole
• Package: Tube
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance:
  • RoHS Status: ROHS3 Compliant
  • REACH Status: REACH Unaffected
  • ECCN: EAR99
  • HTSUS: 8542.39.0001

M74HCT02B1R Applications

The M74HCT02B1R is ideal for applications requiring high-speed digital logic processing and low power consumption. Its low propagation delay of 24ns at 4.5V makes it suitable for high-frequency digital circuits. The IC's ability to handle a maximum load capacitance of 50pF ensures it can drive a significant number of downstream devices without significant signal degradation.

Specific use cases where the M74HCT02B1R excels include:

• Digital Signal Processing: The NOR gates can be used to create complex digital logic functions, such as decoders, multiplexers, and parity generators.
• Control Systems: The low quiescent current of 1 µA makes it suitable for battery-powered or low-power control systems.
• Communication Circuits: The ability to drive 4mA in both high and low states ensures robust signal integrity, making it ideal for communication circuits.
• Embedded Systems: The through-hole mounting type and tube packaging make it easy to integrate into various embedded system designs.

Conclusion of M74HCT02B1R

The M74HCT02B1R from STMicroelectronics is a robust and versatile NOR gate IC, offering high-speed performance and low power consumption. Its compatibility with standard TTL and CMOS logic levels, combined with its ability to drive significant load capacitance, makes it an excellent choice for a wide range of digital logic applications. Despite being marked as obsolete, its unique features and performance benefits continue to make it a valuable component in various electronic designs.

M74HCT02B1R Documents

Download datasheets and manufacturer documentation for M74HCT02B1R