The DM74H40N is a dual 4-input NAND gate belonging to the 74H series of logic gates. Manufactured by Rochester Electronics, this component is a reliable solution for implementing NAND logic functions in various digital circuits. Rochester Electronics specializes in extending the lifecycle of mature and end-of-life components, ensuring availability for ongoing projects and maintenance.

Applications

• General-purpose digital logic: Suitable for a wide range of digital applications.
• Data processing: Utilized in data processing systems for logical operations.
• Control circuits: Integrated into control systems for decision-making and signal processing.
• Computer systems: Found in older computer systems and peripherals.
• Industrial automation: Used in automation equipment for control and monitoring functions.

Features

• Dual 4-input NAND gate: Contains two independent 4-input NAND logic gates in one package.
• High-speed TTL: Part of the 74H series, offering improved speed compared to standard TTL.
• High fan-out: Can drive multiple logic inputs.
• Wide operating voltage: Functions within a standard TTL voltage range.
• DIP package: Typically comes in a through-hole dual in-line package (DIP) for easy prototyping and assembly.

Benefits

• Efficient logic implementation: Provides a convenient way to implement NAND logic functions.
• Enhanced speed: The 74H series offers faster operation than standard TTL, improving system performance.
• Reduced component count: Dual gate design helps minimize the number of ICs needed.
• Long-term availability: Rochester Electronics ensures a continued supply of this component.
• Ease of use: The DIP package facilitates easy breadboarding and circuit integration.

Additional Details

The DM74H40N typically operates with a 5V power supply. Its propagation delay and power dissipation characteristics are typical of 74H series TTL devices, offering a balance between speed and power consumption. The specific electrical characteristics are available in the datasheet provided by Rochester Electronics, which should be consulted for precise design parameters. The device is housed in a standard DIP package, making it suitable for various mounting techniques. Its reliability and availability make it a valuable component for both legacy and new applications.