Encyclopedia Entry: 74ACT821SCX

Product Overview

Category

The 74ACT821SCX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for various applications, including data processing, signal transmission, and control functions.

Characteristics

• High-speed operation: The 74ACT821SCX is designed to operate at high speeds, making it suitable for time-critical applications.
• Low power consumption: This IC is energy-efficient, ensuring minimal power consumption during operation.
• Wide operating voltage range: It can function within a wide range of supply voltages, providing flexibility in different electronic systems.
• Compatibility: The 74ACT821SCX is compatible with other TTL logic families, allowing seamless integration into existing circuit designs.

Package and Quantity

The 74ACT821SCX is available in a small outline package (SOIC) with a specific pin configuration. Each package contains one IC.

Essence

The essence of the 74ACT821SCX lies in its ability to process and manipulate digital signals efficiently, enabling reliable and accurate data transmission and control.

Specifications

• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Logic Family: ACT
• Number of Pins: 20
• Input/Output Compatibility: TTL

Detailed Pin Configuration

The 74ACT821SCX has a total of 20 pins, each serving a specific purpose. Here is the detailed pin configuration:

1. Pin 1: Input A0
2. Pin 2: Input A1
3. Pin 3: Input A2
4. Pin 4: Input A3
5. Pin 5: Input A4
6. Pin 6: Input A5
7. Pin 7: Input A6
8. Pin 8: Input A7
9. Pin 9: GND (Ground)
10. Pin 10: Output Y0
11. Pin 11: Output Y1
12. Pin 12: Output Y2
13. Pin 13: Output Y3
14. Pin 14: Output Y4
15. Pin 15: Output Y5
16. Pin 16: Output Y6
17. Pin 17: Output Y7
18. Pin 18: VCC (Supply Voltage)
19. Pin 19: Enable (EN)
20. Pin 20: GND (Ground)

Functional Features

The 74ACT821SCX offers the following functional features:

• Data storage: It can store and retain digital data for subsequent processing or transmission.
• Data retrieval: The IC allows efficient retrieval of stored data when required.
• Data manipulation: It enables logical operations on input data, such as AND, OR, and XOR functions.
• Signal amplification: The IC amplifies digital signals to ensure reliable transmission over long distances.
• Noise immunity: It provides a high level of noise immunity, minimizing errors in signal processing.

Advantages and Disadvantages

Advantages

• High-speed operation enables time-critical applications.
• Low power consumption ensures energy efficiency.
• Wide operating voltage range provides flexibility in different electronic systems.
• Compatibility with other TTL logic families allows easy integration.

Disadvantages

• Limited number of input/output pins may restrict complex circuit designs.
• Availability and cost may vary depending on market demand.

Working Principles

The 74ACT821SCX operates based on the principles of digital logic circuits. It utilizes transistors and logic gates to process and manipulate binary signals. The inputs are processed according to the specified logic function, and the resulting output is generated accordingly. The IC operates at high speeds, ensuring efficient data processing and transmission.

Detailed Application Field Plans

The 74ACT821SCX finds applications in various fields, including:

1. Data communication systems: It can be used in networking equipment, routers, and switches for reliable data transmission.
2. Microprocessor-based systems: The IC is suitable for interfacing with microprocessors to handle data storage and manipulation tasks.
3. Control systems: It can be employed in control units for industrial automation, robotics, and automotive applications.
4. Digital signal processing: The IC is useful in audio and video processing systems, providing accurate and efficient signal manipulation.

Detailed Alternative Models

Here are some alternative models that offer similar functionality to the 74ACT821SCX:

1. 74HC821: This IC belongs to the HC logic family and offers comparable features.
2. 74LS821: It is part of the LS logic family and provides similar functionality.
3. 74F821: This IC is from the F logic family and can serve as an alternative to the 74ACT821SCX.

These alternative models can be considered based on specific requirements