NXP Semiconductors

74HCT04D

74HCT04D Description

The 74HCT04D from NXP Semiconductors is a high-speed CMOS hex inverter integrated circuit housed in a 14-pin SO (Small Outline) package. Designed for surface-mount applications, it operates within a 4.5V to 5.5V supply range, making it compatible with 5V TTL logic systems. With a maximum propagation delay of 19ns at 4.5V and a quiescent current of just 2µA, it balances speed and power efficiency. The device features six independent inverters, each performing the standard logic inversion function, and is built using CMOS technology for low power dissipation while maintaining robust noise immunity.

74HCT04D Features

• Logic Family: HCT (High-Speed CMOS with TTL compatibility).
• Low Power Consumption: 2µA max quiescent current ensures energy efficiency.
• High-Speed Operation: 19ns max propagation delay at 4.5V (50pF load).
• Wide Voltage Range: 4.5V to 5.5V operation, ideal for 5V systems.
• Robust Output Drive: 5.2mA max low-level output current for reliable signal integrity.
• Temperature Resilience: Operates up to 125°C, suitable for industrial environments.
• Compact & Reliable: 14-pin SO package (8.75mm x 4mm x 1.5mm) for space-constrained designs.
• Compliance: EU RoHS compliant, with EAR99 ECCN for export flexibility.

74HCT04D Applications

The 74HCT04D is ideal for:

• Signal Conditioning: Inverting logic levels in microcontroller interfaces and sensor circuits.
• Clock Signal Processing: Generating complementary clock phases in digital timing systems.
• Buffering & Level Shifting: Adapting TTL signals to CMOS levels in mixed-voltage systems.
• Industrial Control Systems: Used in PLCs, motor drivers, and automation logic due to high noise immunity.
• Consumer Electronics: Found in smart home devices, audio equipment, and display controllers for logic inversion tasks.

Conclusion of 74HCT04D

The 74HCT04D stands out for its low power consumption, high-speed performance, and TTL-compatible CMOS design, making it a versatile choice for digital logic inversion. Its compact SO package and wide operating temperature range further enhance its suitability for industrial, automotive (non-Automotive PPAP), and consumer applications. Engineers favor this IC for its reliability, efficiency, and ease of integration in 5V logic systems, ensuring consistent performance in demanding environments.