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DM7438N

DM7438N Description

The DM7438N is a high-performance NAND gate logic IC chip designed by National Semiconductor. This device is ideal for various digital circuit applications due to its robust performance and versatile features. The DM7438N is housed in a 14-pin DIP package, making it suitable for through-hole mounting, which ensures reliable mechanical stability and ease of integration into printed circuit boards.

Operating within a temperature range of 0°C to 70°C, the DM7438N is well-suited for general industrial and commercial applications. It operates efficiently with a supply voltage range of 4.75V to 5.25V, ensuring compatibility with standard digital systems. The maximum propagation delay of 22ns at 5V and 45pF load capacitance guarantees fast signal processing, making it ideal for high-speed digital circuits.

DM7438N Features

• Logic Type: The DM7438N is a NAND gate logic IC, featuring four independent NAND gates with two inputs each. This configuration allows for complex digital logic functions to be implemented with minimal components.
• Open Collector Output: The open collector feature provides flexibility in output configurations, enabling the use of pull-up resistors to achieve various voltage levels and facilitating the interfacing with different logic families.
• Input Logic Levels: With a low input logic level of 0.8V and a high input logic level of 2V, the DM7438N ensures reliable signal detection and compatibility with a wide range of digital systems.
• Current Handling: The IC can handle a quiescent current of up to 8.5 mA and an output current of 48mA, both high and low, ensuring robust performance even under heavy load conditions.
• Moisture Sensitivity Level: With an MSL rating of 3 (168 hours), the DM7438N is designed to withstand moderate moisture exposure, making it suitable for environments with varying humidity levels.

DM7438N Applications

The DM7438N is highly versatile and can be used in a wide range of applications, including:

• Digital Logic Circuits: Ideal for constructing complex digital systems where multiple logic functions are required.
• Control Systems: Suitable for use in control systems where fast and reliable digital signal processing is necessary.
• Consumer Electronics: Can be integrated into various consumer electronics devices for digital signal processing and control functions.
• Industrial Automation: The robust performance and wide operating temperature range make it suitable for industrial automation applications.
• Telecommunications: Useful in telecommunication equipment for digital signal processing and control logic.

Conclusion of DM7438N

The DM7438N is a high-quality NAND gate logic IC that offers excellent performance and reliability. Its open collector output, low propagation delay, and robust current handling capabilities make it a superior choice over similar models. The DM7438N's versatility and compatibility with various digital systems ensure that it can be effectively utilized in a wide range of applications, from consumer electronics to industrial automation. National Semiconductor's commitment to quality and performance ensures that the DM7438N meets the stringent requirements of modern digital circuit design.