Texas Instruments

SN74ALS21AN  

Gates and Inverters

SN74ALS21AN Description

The SN74ALS21AN is a high-performance AND gate logic IC from Texas Instruments, designed for a wide range of digital applications. This 2-channel, 4-input AND gate is part of the 74ALS series, known for its high-speed performance and reliability. The SN74ALS21AN features a through-hole mounting type, making it suitable for both prototyping and production environments. It operates within a supply voltage range of 4.5V to 5.5V and an operating temperature range of 0°C to 70°C, ensuring stable performance across various conditions.

SN74ALS21AN Features

• High-Speed Performance: The SN74ALS21AN offers a maximum propagation delay of 15ns at 5V with a maximum capacitive load of 50pF, ensuring rapid signal processing and minimal latency.
• Robust Logic Levels: The input logic levels are well-defined, with a low input level of 0.8V and a high input level of 2V, providing clear and reliable signal transitions.
• High Output Current Capability: The IC supports an output current of 400µA for high levels and 8mA for low levels, making it capable of driving multiple loads efficiently.
• Compliance and Safety: The SN74ALS21AN is REACH unaffected and RoHS3 compliant, ensuring it meets the stringent environmental and safety standards required in the electronics industry.
• Packaging and Availability: Available in a tube package, the SN74ALS21AN is easy to handle and store, making it convenient for both small-scale and large-scale production needs.

SN74ALS21AN Applications

The SN74ALS21AN is ideal for a variety of digital logic applications where high-speed processing and reliability are critical. Some specific use cases include:

• Digital Signal Processing: The high-speed AND gate is perfect for processing digital signals in communication systems, where rapid decision-making and signal routing are essential.
• Control Systems: In industrial control systems, the SN74ALS21AN can be used to manage logic operations, ensuring precise control and synchronization of various components.
• Consumer Electronics: The IC's robust performance and compliance with industry standards make it suitable for use in consumer electronics, where reliability and safety are paramount.
• Automotive Applications: Given its operating temperature range and high-speed capabilities, the SN74ALS21AN can be used in automotive electronic systems that require reliable and efficient logic processing.

Conclusion of SN74ALS21AN

The SN74ALS21AN from Texas Instruments stands out as a reliable and high-performance AND gate logic IC. Its combination of high-speed operation, robust logic levels, and compliance with industry standards makes it a versatile component for a wide range of digital applications. Whether used in digital signal processing, control systems, consumer electronics, or automotive applications, the SN74ALS21AN delivers the performance and reliability needed to meet the demands of modern electronics.

SN74ALS21AN Documents

Download datasheets and manufacturer documentation for SN74ALS21AN

Datasheets :

SN54/74(ALS,AS)21(A)      

HTML Datasheet :

SN54/74(ALS,AS)21(A)      

PCN Design/Specification :

Material Set 30/Mar/2017