Texas Instruments

CD74HC21MT

CD74HC21MT Description

The CD74HC21MT is a high-performance, dual 4-input AND gate logic IC designed by Texas Instruments. This device belongs to the 74HC series, known for its high-speed CMOS technology. It offers two independent 4-input AND gates in a compact 14-pin SOIC package, making it suitable for a wide range of digital logic applications. The CD74HC21MT operates over a wide supply voltage range of 2V to 6V, ensuring compatibility with various power supply configurations. It also features low quiescent current of up to 2 µA, making it energy-efficient for battery-operated and low-power systems.

CD74HC21MT Features

• High-Speed Performance: The CD74HC21MT boasts a maximum propagation delay of 19ns at 6V and a load capacitance of 50pF, ensuring rapid signal processing and minimal latency in digital circuits.
• Wide Operating Voltage Range: With a supply voltage range of 2V to 6V, this IC is versatile and can be integrated into systems with varying power supply requirements.
• Low Power Consumption: The device maintains a low quiescent current of up to 2 µA, which is ideal for applications where power efficiency is critical.
• Robust Input Logic Levels: The CD74HC21MT supports input logic levels of 0.5V to 1.8V for low and 1.5V to 4.2V for high, providing flexibility in interfacing with different digital components.
• Surface Mount Technology: The surface mount package (Tape & Reel) facilitates easy installation and integration into PCB designs, enhancing reliability and reducing the overall footprint.
• Compliance and Safety: The CD74HC21MT is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for global markets.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), the device is highly resistant to moisture, making it reliable for use in various environmental conditions.

CD74HC21MT Applications

The CD74HC21MT is ideal for applications requiring high-speed, low-power digital logic processing. Its dual 4-input AND gates make it suitable for:

• Digital Signal Processing: In systems where multiple input signals need to be processed and combined, such as in digital filters or control systems.
• Microcontroller Peripherals: Enhancing the functionality of microcontrollers by providing additional logic processing capabilities.
• Communication Systems: In signal routing and control logic for communication protocols and interfaces.
• Consumer Electronics: For applications in home automation, smart devices, and IoT where compact size and low power consumption are crucial.
• Industrial Automation: In control systems and sensors where reliable and efficient digital logic is required.

Conclusion of CD74HC21MT

The CD74HC21MT from Texas Instruments is a versatile and high-performance dual 4-input AND gate logic IC. Its wide operating voltage range, low power consumption, and high-speed performance make it an excellent choice for a variety of digital logic applications. The device's compliance with environmental and safety standards ensures its suitability for global markets. With its compact surface mount package and robust input logic levels, the CD74HC21MT offers significant advantages over similar models, making it a reliable and efficient solution for modern electronic designs.