Encyclopedia Entry: 74AC574SJ

Product Overview

Category

The 74AC574SJ belongs to the category of integrated circuits (ICs) and specifically falls under the category of flip-flops.

Use

This product is commonly used in digital electronic circuits for storing and transferring data. It is primarily utilized as an octal D-type flip-flop with a tri-state output.

Characteristics

• Octal D-type flip-flop with tri-state output
• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with TTL inputs
• Schmitt-triggered clock inputs for noise immunity

Package

The 74AC574SJ is available in a small outline integrated circuit (SOIC) package. This package offers compactness and ease of integration into various electronic systems.

Essence

The essence of the 74AC574SJ lies in its ability to store and transfer digital data efficiently, making it an essential component in many digital electronic applications.

Packaging/Quantity

The 74AC574SJ is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Supply Voltage Range: 2V to 6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100 MHz
• Number of Flip-Flops: 8

Detailed Pin Configuration

The 74AC574SJ has a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

The 74AC574SJ offers the following functional features:

• Octal D-type flip-flop operation
• Tri-state output for bus-oriented applications
• Schmitt-triggered clock inputs for improved noise immunity
• Output enable control for easy data transfer
• Master reset function for clearing all flip-flops simultaneously

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data processing
• Low power consumption contributes to energy efficiency
• Wide operating voltage range enhances versatility
• Compatibility with TTL inputs simplifies integration into existing systems
• Schmitt-triggered clock inputs provide noise immunity, ensuring reliable operation

Disadvantages

• Limited number of flip-flops (8 in total)
• May require additional components for complex circuit designs

Working Principles

The 74AC574SJ operates based on the principles of sequential logic. It utilizes D-type flip-flops to store and transfer digital data. The clock input triggers the flip-flops, allowing the data inputs to be latched and stored. The tri-state output enables easy data transfer to other components or systems.

Detailed Application Field Plans

The 74AC574SJ finds applications in various digital electronic systems, including but not limited to:

1. Microcontrollers
2. Data storage devices
3. Communication systems
4. Address decoding circuits
5. Bus-oriented architectures

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74AC574SJ. Some notable alternatives include:

1. 74HC574: High-speed CMOS octal D-type flip-flop with tri-state output.
2. CD4013: Dual D-type flip-flop with complementary outputs.
3. SN74LS374: Octal D-type flip-flop with tri-state output and TTL compatibility.

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

In conclusion, the 74AC574SJ is a versatile integrated circuit used for storing and transferring digital data. Its high-speed operation, low power consumption, and compatibility with TTL inputs make it suitable for various applications. However,