The SN74HC21ANSR is a high-performance, dual 4-input AND gate integrated circuit from Texas Instruments, designed to operate across a wide voltage range with excellent power efficiency. This logic gate is part of the 74HC series, which is well-known for its high-speed CMOS technology.

Key Features

• Wide Operating Voltage: The device can function with a variable voltage range from 2V to 6V, making it suitable for interfacing with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.
• High Output Current: Capable of driving up to 5.2 mA at the output, the SN74HC21ANSR can easily drive loads in various applications without the need for additional buffering.
• Low Power Consumption: Its CMOS technology ensures low power dissipation, which is vital for battery-powered and energy-sensitive designs.
• Functional Versatility: It is suitable for a wide array of applications, including logic function implementation, signal gating, and input/output expansion.
• Industry-Standard Packaging: The device comes in a SOIC (Small Outline Integrated Circuit) package, ensuring compatibility with standard surface-mount assembly processes.

Product Specifications

Parameter Value Logic Type AND Gate Number of Circuits 2 Number of Inputs per Circuit 4 Output Current 5.2 mA Supply Voltage (V<sub>CC) 2V to 6V Operating Temperature -40°C to +85°C Mounting Type Surface Mount Package / Case SOIC-14

Applications

The SN74HC21ANSR is a versatile component that can be used in various digital applications such as:

• Embedded systems
• Signal processing
• Control systems
• Power management
• Alarm systems
• DIY electronics projects

With its robust design and wide compatibility, the SN74HC21ANSR is an essential building block for designers and engineers looking for a reliable logic solution in their digital circuit designs.