onsemi

MC74ACT14DG

MC74ACT14DG Description

The MC74ACT14DG from onsemi is a hex Schmitt-trigger inverter integrated circuit housed in a 14-pin SOIC package. Designed for high-speed logic applications, it operates within a 4.5V to 5.5V supply range, making it ideal for 5V TTL-compatible systems. This device features six independent inverters, each with Schmitt-trigger inputs for improved noise immunity and signal conditioning. With a maximum propagation delay of 11.5ns at 5V and 50pF load, it ensures reliable performance in high-speed digital circuits. The ROHS3-compliant and REACH-unaffected device is suitable for surface-mount applications, offering robust performance in industrial and consumer electronics.

MC74ACT14DG Features

• Logic Type: Hex Schmitt-trigger inverter with 6 independent channels.
• High Noise Immunity: Schmitt-trigger inputs ensure hysteresis (0.8V low, 2V high), reducing false triggering.
• Fast Switching: 11.5ns propagation delay at 5V, enabling high-speed operation.
• High Drive Capability: 24mA output current (sink/source) for driving heavy loads.
• Low Power Consumption: 4µA max quiescent current, ideal for power-sensitive designs.
• Wide Operating Voltage: 4.5V–5.5V range, compatible with TTL levels.
• Robust Packaging: 14-SOIC tube packaging, MSL 1 (unlimited) for easy handling.

MC74ACT14DG Applications

• Signal Conditioning: Ideal for debouncing switches and filtering noisy signals in industrial controls.
• Clock Synchronization: Used in oscillator circuits and clock shaping due to hysteresis.
• Logic Level Conversion: Bridges TTL-to-CMOS interfaces in mixed-voltage systems.
• Automotive & Industrial Systems: Suitable for harsh environments thanks to noise immunity.
• Consumer Electronics: Used in smart home devices, gaming consoles, and communication equipment.

Conclusion of MC74ACT14DG

The MC74ACT14DG stands out for its Schmitt-trigger hysteresis, high-speed performance, and robust noise immunity, making it a preferred choice for signal integrity-critical applications. Its versatile 5V operation, strong output drive, and low power consumption ensure reliability across industrial, automotive, and consumer electronics. For engineers seeking a high-performance inverter with enhanced noise rejection, this device offers an optimal balance of speed, power efficiency, and durability.