onsemi

MC74ACT04DG

MC74ACT04DG Description

The MC74ACT04DG from onsemi is a high-performance hex inverter IC belonging to the 74ACT series, designed for surface-mount applications. It features six independent inverters in a 14-pin SOIC package, operating within a 4.5V to 5.5V supply range. This device is optimized for high-speed logic operations, with a maximum propagation delay of 8.5ns at 5V and 50pF load, making it suitable for demanding digital circuits. Despite being marked as obsolete, it remains a reliable choice for legacy designs due to its low quiescent current (4µA max) and RoHS3 compliance, ensuring environmental safety.

MC74ACT04DG Features

• High-Speed Performance: 8.5ns propagation delay at 5V ensures rapid signal processing.
• Wide Voltage Range: Operates from 4.5V to 5.5V, compatible with TTL levels.
• Balanced Output Drive: 24mA sink/source current for robust signal integrity.
• Low Power Consumption: 4µA max quiescent current minimizes energy waste.
• TTL-Compatible Inputs: 0.8V (Low) and 2V (High) thresholds ensure seamless interfacing.
• Robust Packaging: 14-SOIC tube packaging with MSL 1 (Unlimited) moisture sensitivity.

MC74ACT04DG Applications

• Clock Signal Conditioning: Ideal for buffering and inverting clock signals in microcontrollers.
• Digital Logic Systems: Used in address decoding, signal inversion, and pulse shaping.
• Industrial Control: Suitable for PLC interfaces due to noise immunity and fast response.
• Legacy Equipment Maintenance: A dependable choice for repairing or upgrading older 5V systems.
• Test & Measurement: Ensures clean signal inversion in oscilloscopes and logic analyzers.

Conclusion of MC74ACT04DG

The MC74ACT04DG offers a blend of speed, power efficiency, and reliability, making it a versatile hex inverter for 5V digital systems. While marked obsolete, its high drive capability, TTL compatibility, and low noise make it a pragmatic choice for industrial, automotive, and legacy applications. Engineers seeking a cost-effective, high-performance inverter with easy integration will find this IC a valuable component in their designs.