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CD74HCT02E

CD74HCT02E Description

The CD74HCT02E is a 4-channel 2-input NOR gate logic IC chip, manufactured by Harris Corporation. This through-hole mounted device is part of the 74HCT series, known for its compatibility with both TTL and CMOS logic levels. The CD74HCT02E operates within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of digital applications. It features a maximum propagation delay of 21ns at 4.5V with a capacitive load of 50pF, ensuring high-speed performance. The input logic levels are defined as low at 0.8V and high at 2V, providing clear and reliable signal processing. The device is housed in a tube package and has a quiescent current of up to 2µA, making it energy-efficient. The CD74HCT02E can source and sink up to 4mA of current per output, making it robust for driving various loads. Despite its obsolescence, the CD74HCT02E remains a valuable component for legacy systems and specific applications where its unique features are required.

CD74HCT02E Features

• Logic Type: NOR Gate
• Number of Circuits: 4
• Number of Inputs per Circuit: 2
• Supply Voltage Range: 4.5V to 5.5V
• Max Propagation Delay: 21ns @ 4.5V, 50pF
• Input Logic Level - Low: 0.8V
• Input Logic Level - High: 2V
• Output Current - High, Low: 4mA, 4mA
• Quiescent Current (Max): 2µA
• Mounting Type: Through Hole
• Package Type: Tube
• Manufacturer: Harris Corporation
• Series: 74HCT
• Product Status: Obsolete

CD74HCT02E Applications

The CD74HCT02E is ideal for applications requiring high-speed digital signal processing and logic operations. Its compatibility with both TTL and CMOS logic levels makes it versatile for interfacing different types of digital circuits. The low propagation delay ensures efficient processing in time-sensitive applications. The NOR gate functionality is particularly useful in digital systems for creating combinational logic circuits, such as decoders, multiplexers, and parity generators. The CD74HCT02E is also suitable for use in control systems, digital signal processing, and communication protocols where fast and reliable logic operations are essential. Its ability to source and sink significant current allows it to drive various types of loads, including LEDs, relays, and other digital components.

Conclusion of CD74HCT02E

The CD74HCT02E is a robust and versatile NOR gate IC that offers high-speed performance and compatibility with a wide range of digital systems. Despite being obsolete, its unique features and capabilities make it a valuable component for specific applications and legacy systems. The low propagation delay, high current drive capability, and compatibility with both TTL and CMOS logic levels ensure that the CD74HCT02E remains a reliable choice for engineers and designers working with digital circuits.