Texas Instruments

SN74AS21D

SN74AS21D Description

The SN74AS21D is a high-performance AND gate logic IC from Texas Instruments, designed for a wide range of digital applications. This device features two 4-input AND gates in a compact 14SOIC package, making it ideal for space-constrained designs. The SN74AS21D 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. It is manufactured with surface-mount technology, ensuring robustness and ease of integration into modern electronic systems.

SN74AS21D Features

• Logic Type: The SN74AS21D incorporates two 4-input AND gates, providing versatile logic functionality.
• Operating Temperature: With an operating temperature range of 0°C to 70°C, the SN74AS21D is suitable for applications in various environmental conditions.
• Max Propagation Delay: The device boasts a maximum propagation delay of 6ns at 5V and 50pF, ensuring high-speed signal processing.
• Input Logic Levels: The SN74AS21D has an input logic level of 0.8V for low and 2V for high, allowing for precise signal detection.
• Output Current: It supports an output current of 2mA for high and 20mA for low, making it capable of driving multiple loads.
• Compliance: The SN74AS21D is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is highly resistant to moisture, enhancing its reliability in humid environments.

SN74AS21D Applications

The SN74AS21D is well-suited for applications requiring high-speed digital signal processing and compact design. Its dual 4-input AND gates make it ideal for:

• Digital Signal Processing: Efficiently processing digital signals in communication systems.
• Control Systems: Implementing logic functions in industrial control systems.
• Consumer Electronics: Enhancing the functionality of consumer devices with minimal footprint.
• Automotive Electronics: Utilized in automotive systems where space and reliability are critical.

Conclusion of SN74AS21D

The SN74AS21D from Texas Instruments stands out as a reliable and high-performance AND gate logic IC. Its compact design, high-speed operation, and robust compliance make it a preferred choice for engineers and designers in various industries. Whether in digital signal processing, control systems, or consumer electronics, the SN74AS21D offers a versatile and efficient solution. Its compliance with environmental standards and high moisture sensitivity level further enhance its reliability and suitability for a wide range of applications.