SN74LV21APWR

The SN74LV21APWR is a dual 4-input NAND gate integrated circuit (IC) manufactured by Texas Instruments. It is part of the 74LV family, which is known for its low-voltage operation and high-speed performance. Here’s a detailed description of its features and specifications:

General Description:

• Functionality: The SN74LV21APWR contains two independent 4-input NAND gates. Each gate performs a logical NAND operation on four input signals, producing a low output only when all inputs are high.
• Technology: It is built using advanced CMOS technology, which allows for low power consumption and high-speed operation, making it suitable for battery-powered devices and high-performance applications.

Electrical Characteristics:

• Supply Voltage (Vcc): The device operates over a wide supply voltage range, typically from 2.0V to 5.5V, making it compatible with various logic levels.
• Input Voltage Levels: The input threshold levels are designed to accommodate both TTL and CMOS logic levels, ensuring compatibility with a wide range of digital circuits.
• Output Drive Capability: The outputs can drive standard TTL loads, providing sufficient current to interface with other logic devices.

Package Information:

• Package Type: The SN74LV21APWR is available in a TSSOP (Thin Shrink Small Outline Package) package, which is compact and suitable for surface-mount applications.
• Pin Count: The TSSOP package typically has 14 pins, with specific pins designated for power (Vcc), ground (GND), and the inputs and outputs of the NAND gates.

Performance:

• Propagation Delay: The device features a low propagation delay, allowing for fast switching times, which is critical in high-speed digital circuits.
• Power Consumption: The low-voltage operation and CMOS technology contribute to minimal static and dynamic power consumption, making it energy-efficient.

Applications:

The SN74LV21APWR is widely used in various applications, including:

• Digital logic circuits
• Data processing systems
• Signal conditioning
• Consumer electronics
• Communication devices

Additional Features:

• High Noise Immunity: The device exhibits good noise margins, ensuring reliable operation in noisy environments.
• Temperature Range: It is designed to operate over a standard temperature range, making it suitable for industrial and commercial applications.

Conclusion:

The SN74LV21APWR from Texas Instruments is a versatile and efficient dual 4-input NAND gate that combines low power consumption with high-speed performance, making it an ideal choice for a wide range of digital logic applications. Its compatibility with various voltage levels and robust design further enhance its utility in modern electronic systems.