Texas Instruments

SN74AHC1G09DCKR

SN74AHC1G09DCKR Description

The SN74AHC1G09DCKR from Texas Instruments is a single 2-input AND gate with an open-drain output, housed in a compact SC70-5 package. Designed for surface-mount applications, it operates over a wide voltage range of 2V to 5.5V, making it suitable for mixed-voltage systems. This device is part of the 74AHC series, known for its low power consumption (quiescent current ≤1 µA) and high-speed performance (propagation delay of 7.5ns at 5V, 50pF). It complies with RoHS3 and REACH standards, ensuring environmental safety, and features an MSL 1 (unlimited) rating, making it robust for handling and storage.

SN74AHC1G09DCKR Features

• Open-Drain Output: Allows flexible interfacing with higher-voltage systems or pull-up resistors for wired-AND configurations.
• Wide Supply Voltage Range (2V–5.5V): Compatible with 3.3V and 5V logic environments.
• Low Power Consumption: Ideal for battery-powered and portable electronics.
• High Noise Immunity: Input logic levels (0.5V–1.65V for LOW, 1.5V–3.85V for HIGH) ensure reliable operation in noisy environments.
• Small Form Factor (SC70-5): Saves board space in high-density designs.
• Fast Switching Speed: 7.5ns propagation delay at 5V enables efficient signal processing.

SN74AHC1G09DCKR Applications

• Logic Level Translation: Bridges 3.3V and 5V systems due to its wide voltage range.
• I²C and SMBus Interfaces: Open-drain output suits bidirectional bus applications.
• Power Management Circuits: Used in enable/disable control for regulators or MOSFETs.
• Portable Electronics: Ideal for wearables, IoT devices, and sensors due to low quiescent current.
• Industrial Control Systems: Reliable performance in automation and PLCs with high noise immunity.

Conclusion of SN74AHC1G09DCKR

The SN74AHC1G09DCKR combines low power, high speed, and flexible output in a miniature package, making it a versatile choice for modern electronics. Its open-drain output and wide voltage compatibility set it apart from standard AND gates, enabling mixed-voltage interfacing and bus-driven applications. Whether for consumer electronics, industrial systems, or embedded designs, this device delivers reliable logic functionality with minimal footprint and power overhead.