Texas Instruments

SN74F21N  

Gates and Inverters

SN74F21N Description

The SN74F21N is a high-performance, dual 4-input AND gate IC designed for a wide range of digital logic applications. Manufactured by Texas Instruments, this through-hole mounted device is part of the 74F series, known for its fast switching speeds and robust performance. The SN74F21N operates within a supply voltage range of 4.5V to 5.5V and is rated for an operating temperature range of 0°C to 70°C, making it suitable for use in various industrial and commercial environments.

SN74F21N Features

• Logic Type: The SN74F21N features a dual 4-input AND gate logic type, providing two independent AND gates with four inputs each. This configuration allows for complex logic functions to be implemented with minimal components.
• Propagation Delay: With a maximum propagation delay of 5.1ns at 5V and a 50pF load, the SN74F21N offers exceptionally fast switching times, making it ideal for high-speed digital circuits.
• Input Logic Levels: The device has input logic levels of 0.8V for low and 2V for high, ensuring compatibility with a wide range of digital systems.
• Current Specifications: The SN74F21N has a maximum quiescent current of 4.3mA and can source 1mA and sink 20mA on its outputs, providing reliable and efficient power management.
• Compliance and Packaging: The SN74F21N is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards. It is available in a tube package, suitable for through-hole mounting.
• Performance and Reliability: The SN74F21N's robust design and high-speed performance make it a reliable choice for applications requiring fast and accurate digital logic processing.

SN74F21N Applications

The SN74F21N is ideal for a variety of applications where high-speed digital logic is required. Some specific use cases include:

• Digital Signal Processing: The fast switching times and low propagation delay make the SN74F21N suitable for processing digital signals in real-time applications.
• Control Systems: The dual 4-input AND gates can be used to implement complex control logic in industrial automation and robotics.
• Data Processing: The device can be used in data processing systems where multiple inputs need to be evaluated simultaneously.
• Telecommunications: The SN74F21N can be utilized in telecommunications equipment for signal routing and processing.
• Consumer Electronics: The compact and efficient design makes it suitable for consumer electronics where space and power consumption are critical.

Conclusion of SN74F21N

The SN74F21N is a versatile and high-performance AND gate IC that offers significant advantages over similar models. Its fast switching times, low propagation delay, and robust design make it an excellent choice for a wide range of digital logic applications. The device's compliance with environmental and safety standards ensures it meets the latest industry requirements. Whether used in digital signal processing, control systems, or consumer electronics, the SN74F21N provides reliable and efficient performance, making it a valuable component for any electronics designer or engineer.

SN74F21N Documents

Download datasheets and manufacturer documentation for SN74F21N

Datasheets :

SN54F21, SN74F21      

HTML Datasheet :

SN54F21, SN74F21