SN74LV21ADBR

Product Overview

Category

SN74LV21ADBR belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital logic applications.

Characteristics

• Low-voltage operation
• High-speed performance
• Wide operating temperature range

Package

SN74LV21ADBR is available in a small-outline package (SOIC) with 14 pins.

Essence

The essence of SN74LV21ADBR lies in its ability to perform logical AND operations on two input signals.

Packaging/Quantity

SN74LV21ADBR is typically sold in reels, with each reel containing 2500 units.

Specifications

• Supply Voltage: 2V to 5.5V
• Logic Family: LV
• Number of Inputs: 2
• Number of Outputs: 1
• Propagation Delay: 4.3 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

```

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| | --| A | --| B GND | --| Y VCC | --| | |___________| ```

Pin Description: - A: Input A - B: Input B - Y: Output - GND: Ground - VCC: Power supply voltage

Functional Features

SN74LV21ADBR is a dual-input AND gate that performs logical AND operations on two input signals (A and B). The output (Y) is high only when both inputs are high; otherwise, it remains low. This IC operates at low voltages and offers high-speed performance, making it suitable for various digital logic applications.

Advantages and Disadvantages

Advantages: - Low-voltage operation allows for compatibility with modern electronic systems. - High-speed performance enables efficient signal processing. - Wide operating temperature range ensures reliable operation in different environments.

Disadvantages: - Limited number of inputs and outputs restricts the complexity of logic circuits that can be implemented using this IC. - Availability may vary depending on the supplier and region.

Working Principles

SN74LV21ADBR operates based on the principles of digital logic. It utilizes transistors and other electronic components to perform logical AND operations on the input signals. The internal circuitry compares the states of inputs A and B and generates the corresponding output signal (Y) based on the logical AND function.

Detailed Application Field Plans

SN74LV21ADBR finds applications in various fields, including but not limited to: 1. Microcontrollers 2. Digital signal processing 3. Communication systems 4. Industrial automation 5. Consumer electronics

In microcontroller-based systems, this IC can be used for input signal conditioning or as part of a larger logic circuit. In digital signal processing applications, it can be employed for data manipulation and filtering. Communication systems often utilize SN74LV21ADBR for signal routing and protocol handling. In industrial automation, it can be integrated into control circuits for process monitoring and decision-making. Additionally, consumer electronics such as smartphones and tablets may incorporate this IC for various logic functions.

Detailed and Complete Alternative Models

1. SN74LV21A: Similar to SN74LV21ADBR, but available in a different package (PDIP).
2. 74HC21: Equivalent IC from a different manufacturer (NXP Semiconductors).
3. CD4081: Quad 2-input AND gate IC with similar functionality.

These alternative models offer similar functionality to SN74LV21ADBR and can be used as replacements depending on specific requirements and availability.

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