Texas Instruments

CD74HC4002E

CD74HC4002E Description

The CD74HC4002E from Texas Instruments is a high-performance dual 4-input NOR gate IC belonging to the 74HC series, designed for reliable logic operations in digital circuits. Housed in a 14-pin DIP (Through Hole) package, it operates over a 2V to 6V supply voltage range, making it compatible with both 3.3V and 5V systems. With a maximum propagation delay of 17ns at 6V and 50pF load, it ensures fast signal processing, while its low quiescent current (2µA max) minimizes power consumption. The device features RoHS3 compliance and REACH unaffected status, adhering to environmental standards.

CD74HC4002E Features

• Logic Type: Dual 4-input NOR gate with 2 independent circuits per package.
• High-Speed Operation: 17ns propagation delay at 6V, ideal for timing-critical applications.
• Wide Voltage Range: 2V to 6V supply flexibility for mixed-voltage systems.
• Low Power Consumption: 2µA quiescent current enhances energy efficiency.
• Robust I/O Capability: 5.2mA output current (high/low) ensures strong drive capability.
• Input Compatibility: Low-level input (0.5V–1.8V) and high-level input (1.5V–4.2V) support TTL and CMOS interfaces.
• Durable Packaging: Through-hole DIP for easy prototyping and robust mechanical mounting.
• Environmental Compliance: RoHS3 and REACH certified for eco-friendly designs.

CD74HC4002E Applications

• Digital Logic Systems: Used in arithmetic circuits, multiplexers, and decoders for reliable NOR-based logic.
• Signal Conditioning: Ideal for noise filtering and pulse shaping due to fast response times.
• Industrial Control: Suitable for PLC interfaces and safety interlocks requiring stable NOR operations.
• Embedded Systems: Integrates into microcontroller-based designs for logic-level conversion and signal gating.
• Automotive Electronics: Used in sensor interfaces and power management circuits due to wide voltage tolerance.

Conclusion of CD74HC4002E

The CD74HC4002E stands out as a versatile, high-speed NOR gate IC with low power consumption and broad compatibility, making it ideal for digital logic, industrial controls, and embedded systems. Its robust design, environmental compliance, and through-hole packaging ensure reliability in prototyping and production. Engineers favor this IC for applications demanding precise logic operations with minimal delay and power overhead.