Texas Instruments

SN74ALS21ANSR  

Gates and Inverters

SN74ALS21ANSR Description

The SN74ALS21ANSR is a high-performance AND gate logic IC designed by Texas Instruments, featuring a robust set of specifications that make it suitable for a wide range of digital applications. This dual 4-input AND gate is part of the 74ALS series, known for its enhanced speed and low power consumption. The SN74ALS21ANSR operates within a supply voltage range of 4.5V to 5.5V and can function effectively in an operating temperature range of 0°C to 70°C, making it ideal for use in various industrial and commercial environments.

SN74ALS21ANSR Features

• High-Speed Performance: With a maximum propagation delay of 15ns at 5V and a maximum load capacitance of 50pF, the SN74ALS21ANSR ensures rapid signal processing and minimal delay in digital circuits.
• Low Power Consumption: The 74ALS series is renowned for its low power dissipation, making the SN74ALS21ANSR an energy-efficient choice for battery-operated and power-sensitive applications.
• Robust Input and Output Specifications: The IC features an input logic level of 0.8V for low and 2V for high, ensuring compatibility with a variety of digital systems. It also provides a high output current of 400µA and a low output current of 8mA, supporting reliable signal transmission.
• Surface Mount Technology: The SN74ALS21ANSR is available in a surface mount package, facilitating easy integration into compact and high-density PCB designs.
• Compliance and Reliability: The IC is REACH unaffected and RoHS3 compliant, ensuring it meets the latest environmental and safety standards Additionally., it has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage and handling.
• Dual 4-Input AND Gates: The SN74ALS21ANSR includes two independent 4-input AND gates, providing flexibility in circuit design and enabling complex logic functions with minimal components.

SN74ALS21ANSR Applications

The SN74ALS21ANSR is versatile and can be utilized in a variety of applications, including:

• Digital Logic Circuits: Ideal for creating complex digital logic functions where multiple inputs need to be processed simultaneously.
• Control Systems: Suitable for use in control systems where precise timing and signal processing are required.
• Data Processing: Can be employed in data processing units to manage and manipulate digital signals efficiently.
• Communication Systems: Useful in communication systems for signal gating and control functions.
• Consumer Electronics: Applicable in consumer electronics where compact size and low power consumption are critical.

Conclusion of SN74ALS21ANSR

The SN74ALS21ANSR from Texas Instruments is a high-performance AND gate logic IC that stands out due to its fast propagation delay, low power consumption, and robust input/output specifications. Its dual 4-input AND gate configuration offers flexibility in circuit design, while its surface mount package ensures easy integration into modern PCB designs. The SN74ALS21ANSR is an excellent choice for applications requiring reliable and efficient digital signal processing. Its compliance with environmental standards and high reliability make it a preferred option for engineers and designers in the electronics industry.

SN74ALS21ANSR Documents

Download datasheets and manufacturer documentation for SN74ALS21ANSR

Images :

Mechanical Outline Drawing      

PCN :

Qualification of Carrier Tape for 14/16 pin SOP and 28 pin SSOP device (PDF)      

Product Catalogs :

Logic Guide (Rev. AB)