Fairchild (onsemi)

DM74S20N  

Gates and Inverters

DM74S20N Description

The DM74S20N is a high-speed NAND gate IC designed for a wide range of digital logic applications. Manufactured by Fairchild Semiconductor (now part of onsemi), this device is part of the 74S series, known for its fast switching speeds and robust performance. The DM74S20N features two independent 4-input NAND gates in a through-hole package, making it suitable for both prototyping and production environments. Despite its obsolete status, the DM74S20N remains a reliable choice for applications requiring high-speed logic operations within its specified operating temperature range of 0°C to 70°C.

DM74S20N Features

• High-Speed Performance: The DM74S20N boasts a maximum propagation delay of 8ns at 5V with a maximum load capacitance of 50pF, ensuring rapid signal processing and minimal latency.
• Dual 4-Input NAND Gates: Each of the two NAND gates can handle four inputs, providing versatile logic control and enabling complex Boolean functions to be implemented with minimal components.
• Robust Voltage Tolerance: The IC operates within a supply voltage range of 4.75V to 5.25V, ensuring stable performance across a narrow but reliable voltage band.
• Low Power Consumption: With a maximum output current of 1mA for high levels and 20mA for low levels, the DM74S20N is designed to minimize power usage while maintaining high performance.
• Through-Hole Packaging: The through-hole package type facilitates easy integration into printed circuit boards (PCBs) and is ideal for applications requiring manual soldering or breadboarding.
• Clear Logic Levels: The DM74S20N has well-defined input logic levels, with a low level at 0.8V and a high level at 2V, ensuring accurate signal interpretation and compatibility other with digital circuits.

DM74S20N Applications

The DM74S20N is ideal for applications requiring high-speed digital logic operations, such as:

• Digital Signal Processing: The fast switching speeds of the DM74S20N make it suitable for processing digital signals in real-time, ensuring minimal delay and high accuracy.
• Control Systems: The dual 4-input NAND gates can be used to implement complex control logic, enabling precise control over various electronic systems.
• Data Processing: The DM74S20N can be used in data processing applications where rapid decision-making based on multiple input conditions is required.
• Communication Systems: The IC can be utilized in communication systems for signal conditioning and logic control, ensuring reliable data transmission and reception.
• Educational and Prototyping: The through-hole package and robust performance make the DM74S20N an excellent choice for educational purposes and prototyping, allowing for easy experimentation and learning.

Conclusion of DM74S20N

The DM74S20N is a high-performance NAND gate IC that offers fast switching speeds, robust voltage tolerance, and versatile logic control. Despite being marked as obsolete, its reliable performance and compatibility with various digital systems make it a valuable component for specific applications. The dual 4-input NAND gates and through-hole packaging provide flexibility and ease of integration, making the DM74S20N an ideal choice for digital signal processing, control systems, data processing, communication systems, and educational purposes. For those seeking a dependable and high-speed logic solution, the DM74S20N remains a viable option.

DM74S20N Documents

Download datasheets and manufacturer documentation for DM74S20N

Datasheets :

DM74S20N