Texas Instruments

SN74S38DR

SN74S38DR Description

The SN74S38DR is a high-performance NAND gate logic IC chip, part of the 74S series, manufactured by Texas Instruments. This device is designed for surface mount applications and is housed in a 14-pin SOIC package. It operates within a supply voltage range of 4.75V to 5.25V and is suitable for use in environments with temperatures ranging from 0°C to 70°C. The SN74S38DR features four independent NAND gates, each with two inputs, making it ideal for a variety of digital logic applications. The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.

SN74S38DR Features

• Logic Type: NAND Gate
• Number of Circuits: 4
• Number of Inputs per Circuit: 2
• Operating Temperature: 0°C to 70°C
• Supply Voltage: 4.75V to 5.25V
• Input Logic Levels: Low (0.8V), High (2V)
• Max Propagation Delay: 9ns @ 5V, 150pF
• Features: Open Collector
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• ECCN: EAR99
• HTSUS: 8542.39.0001

The SN74S38DR offers several unique advantages over similar models. Its open collector feature provides flexibility in circuit design, allowing for easy interfacing with various voltage levels. The low propagation delay of 9ns ensures fast signal processing, making it suitable for high-speed applications. The device's wide operating temperature range and robust surface mount package make it reliable for use in diverse environments.

SN74S38DR Applications

The SN74S38DR is ideal for a range of applications requiring high-speed digital logic processing. Its NAND gate configuration is particularly useful in digital systems where logic inversion and signal processing are necessary. Some specific use cases include:

• Digital Signal Processing: The fast propagation delay and open collector feature make it suitable for processing digital signals in real-time applications.
• Microcontroller Interfacing: The device can be used to interface with microcontrollers, providing logic inversion and signal conditioning.
• Memory Control: The NAND gates can be employed in memory control circuits, enabling efficient data management.
• Industrial Control Systems: The robust surface mount package and wide operating temperature range make it suitable for industrial applications where reliability is critical.

Conclusion of SN74S38DR

The SN74S38DR is a versatile and reliable NAND gate IC chip, offering high-speed performance and flexibility in digital logic applications. Its open collector feature, low propagation delay, and wide operating temperature range make it a preferred choice for engineers and designers in the electronics industry. Whether used in digital signal processing, microcontroller interfacing, or industrial control systems, the SN74S38DR provides a robust and efficient solution, ensuring optimal performance and reliability.