Encyclopedia Entry: 74ACT521MTC

Product Overview

Category

The 74ACT521MTC 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

• The 74ACT521MTC is a high-speed, octal D-type flip-flop with parallel outputs.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers excellent noise immunity and low power consumption.
• It is designed to provide reliable and efficient performance in demanding electronic systems.

Package

The 74ACT521MTC is available in a small outline surface mount package (SOIC). This package type ensures easy integration onto printed circuit boards (PCBs) and facilitates space-saving designs.

Essence

The essence of the 74ACT521MTC lies in its ability to store and transmit digital information efficiently. It serves as a fundamental building block for various digital systems.

Packaging/Quantity

The 74ACT521MTC is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Speed Operation: Typically 20MHz
• Output Current: ±24mA
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3.5pF
• Propagation Delay: 4.5ns (max)

Detailed Pin Configuration

The 74ACT521MTC has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. CP (Clock Pulse Input)
11. MR (Master Reset Input)
12. Q0 (Output 0)
13. Q1 (Output 1)
14. Q2 (Output 2)
15. Q3 (Output 3)
16. Q4 (Output 4)
17. Q5 (Output 5)
18. Q6 (Output 6)
19. Q7 (Output 7)
20. VCC (Supply Voltage)

Functional Features

The key functional features of the 74ACT521MTC include:

• Octal D-type flip-flop with parallel outputs
• High-speed operation for efficient data processing
• Wide voltage range for compatibility with various systems
• Excellent noise immunity for reliable performance
• Low power consumption for energy-efficient designs
• Master reset input for system initialization

Advantages and Disadvantages

Advantages

• High-speed operation enables rapid data processing.
• Wide voltage range allows compatibility with different systems.
• Excellent noise immunity ensures reliable performance in noisy environments.
• Low power consumption contributes to energy-efficient designs.

Disadvantages

• Limited output current may restrict certain applications requiring higher current levels.
• The small outline surface mount package may require specialized equipment for soldering and rework.

Working Principles

The 74ACT521MTC operates based on the principles of digital logic circuits. It utilizes D-type flip-flops to store and transmit digital information. Clock pulses control the timing of data storage and retrieval, while the master reset input initializes the flip-flop states.

Detailed Application Field Plans

The 74ACT521MTC finds applications in various fields, including:

1. Data communication systems
2. Microprocessor-based systems
3. Industrial automation
4. Instrumentation and measurement equipment
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

Here are some alternative models that offer similar functionality to the 74ACT521MTC:

1. 74HC521: High-speed octal D-type flip-flop with parallel outputs.
2. CD74ACT521: Advanced CMOS octal D-type flip-flop with parallel outputs.
3. SN74ACT521: Octal D-type flip-flop with parallel outputs and Schmitt-trigger inputs.

These alternative models can be considered based on specific requirements and availability.

In conclusion, the 74ACT521MTC is a versatile integrated circuit widely used in digital electronic systems. Its high-speed operation, wide voltage range, and reliable performance make it suitable for various applications.