Texas Instruments

CD74HC4002NSRE4

CD74HC4002NSRE4 Description

The CD74HC4002NSRE4 is a 2-channel, 4-input NOR gate logic IC chip manufactured by Texas Instruments. It belongs to the 74HC series, known for its high-speed CMOS technology. This chip is designed for surface mount applications and comes in a Tape & Reel (TR) package. The CD74HC4002NSRE4 operates within a supply voltage range of 2V to 6V and offers a maximum propagation delay of 17ns at 6V with a load capacitance of 50pF. It features low quiescent current (2 µA max) and balanced output current capabilities of 5.2mA for both high and low states. The input logic levels are defined as 0.5V to 1.8V for low and 1.5V to 4.2V for high, ensuring compatibility with a wide range of digital systems. The chip is REACH unaffected and RoHS3 compliant, making it suitable for environmentally conscious applications. Despite being marked as obsolete, the CD74HC4002NSRE4 remains a reliable choice for specific legacy systems and applications.

CD74HC4002NSRE4 Features

• High-Speed Performance: With a maximum propagation delay of 17ns at 6V and 50pF, the CD74HC4002NSRE4 ensures fast signal processing, making it ideal for high-speed digital circuits.
• Wide Operating Voltage Range: The chip operates reliably within a supply voltage range of 2V to 6V, providing flexibility in power supply design and compatibility with various systems.
• Low Power Consumption: The maximum quiescent current of 2 µA minimizes power consumption, making it suitable for low-power applications and battery-operated devices.
• Balanced Output Current: The output current capability of 5.2mA for both high and low states ensures robust and reliable signal transmission.
• Compatibility with Various Logic Levels: The input logic levels of 0.5V to 1.8V for low and 1.5V to 4.2V for high allow seamless integration with different digital systems.
• Surface Mount Technology: The surface mount package facilitates easy integration into modern PCB designs, enhancing reliability and reducing the overall footprint.
• Environmental Compliance: The CD74HC4002NSRE4 is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards.
• Moisture Sensitivity Level 1: The unlimited moisture sensitivity level (MSL) ensures the chip is robust against environmental moisture, enhancing its reliability in various operating conditions.

CD74HC4002NSRE4 Applications

The CD74HC4002NSRE4 is well-suited for a variety of applications due to its high-speed performance, low power consumption, and wide operating voltage range. Some specific use cases include:

• Digital Signal Processing: The NOR gate functionality and fast propagation delay make it ideal for processing digital signals in real-time applications.
• Control Systems: The chip can be used in control systems where low power consumption and high-speed operation are critical.
• Communication Circuits: The balanced output current and wide operating voltage range ensure reliable communication in digital circuits.
• Legacy Systems: Despite being obsolete, the CD74HC4002NSRE4 remains a suitable component for maintaining and upgrading legacy systems that rely on this specific IC.
• Battery-Powered Devices: The low quiescent current makes it an excellent choice for battery-operated devices where power efficiency is paramount.

Conclusion of CD74HC4002NSRE4

The CD74HC4002NSRE4 is a versatile and reliable NOR gate logic IC chip that offers high-speed performance, low power consumption, and wide operating voltage range. Its compatibility with various digital systems and environmental compliance make it a robust choice for a range of applications. Although marked as obsolete, the CD74HC4002NSRE4 continues to serve specific needs in legacy systems and applications where its unique features and advantages are still highly valued.