Texas Instruments

SN74AHCT1G04DCKT

SN74AHCT1G04DCKT Description

The SN74AHCT1G04DCKT is a high-performance, single-channel CMOS inverter from Texas Instruments' 74AHCT series, designed for 4.5V to 5.5V supply voltage applications. Packaged in a compact SC70-5 surface-mount form factor, this device delivers robust logic inversion with a maximum propagation delay of 9ns at 5V and 50pF load, making it suitable for high-speed digital systems. It features low power consumption (1µA quiescent current max) and balanced 8mA output drive capability, ensuring reliable signal integrity in noise-sensitive environments. Although marked as obsolete, it remains a viable choice for legacy designs due to its ROHS3 compliance and REACH-unaffected status.

SN74AHCT1G04DCKT Features

• High-Speed Performance: 9ns propagation delay at 5V, ideal for timing-critical applications.
• Wide Voltage Range: Operates from 4.5V to 5.5V, compatible with TTL and CMOS logic levels.
• Low Power Consumption: Quiescent current ≤1µA, reducing energy usage in battery-powered systems.
• Robust I/O Levels: Input high/low thresholds of 2V/0.8V, ensuring noise immunity.
• Compact & Reliable: SC70-5 package (Tape & Reel) with MSL1 rating, suitable for automated assembly.
• Balanced Output Drive: 8mA sink/source current for stable signal buffering.

SN74AHCT1G04DCKT Applications

This inverter excels in:

• Signal Conditioning: Clean up distorted clock or data signals in communication interfaces.
• Level Shifting: Interface between 5V TTL and 3.3V CMOS systems.
• Portable Electronics: Low-power logic inversion in wearables and IoT devices.
• Industrial Control: Noise-immune logic for sensors and actuators in harsh environments.
• Legacy System Maintenance: Replacing older inverters in 5V-dominated designs.

Conclusion of SN74AHCT1G04DCKT

The SN74AHCT1G04DCKT offers a blend of speed, power efficiency, and compactness, making it a pragmatic choice for designers needing reliable logic inversion in space-constrained or power-sensitive applications. While obsolete, its industry-standard performance and compliance with modern environmental standards ensure continued relevance in niche and legacy projects. For new designs, consider TI’s active alternatives, but this device remains a proven solution for specific use cases.