Encyclopedia Entry: 74AC574SCX

Product Overview

Category

The 74AC574SCX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronics for data storage and transfer applications.

Characteristics

• The 74AC574SCX is a high-speed octal D-type flip-flop with a transparent latch.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers low power consumption and high noise immunity.
• It has a compact size and is easy to integrate into electronic circuits.

Package

The 74AC574SCX is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74AC574SCX lies in its ability to store and transfer digital data efficiently.

Packaging/Quantity

Typically, the 74AC574SCX is sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 100 MHz

Detailed Pin Configuration

The 74AC574SCX has a total of 20 pins, each serving a specific function:

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: Latch Enable (LE)
12. Pin 12: Ground (GND)
13. Pin 13: Q0 Output
14. Pin 14: Q1 Output
15. Pin 15: Q2 Output
16. Pin 16: Q3 Output
17. Pin 17: Q4 Output
18. Pin 18: Q5 Output
19. Pin 19: Q6 Output
20. Pin 20: Q7 Output

Functional Features

The 74AC574SCX offers the following functional features:

• Transparent latch design allows data to be stored and transferred while the clock signal is active.
• High-speed operation enables efficient data processing in digital systems.
• Output enable pin allows for easy control of output states.
• Low power consumption makes it suitable for battery-powered devices.
• High noise immunity ensures reliable operation even in noisy environments.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates fast data transfer.
• Compact size enables easy integration into electronic circuits.
• Wide voltage range allows for versatile applications.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited number of inputs and outputs restricts its use in complex systems.
• Sensitive to electrostatic discharge (ESD), requiring proper handling during installation.

Working Principles

The 74AC574SCX operates based on the principles of flip-flops and latches. When the latch enable (LE) input is high, the data inputs (D0-D7) are transparently transferred to the outputs (Q0-Q7) while the clock input (CLK) is active. The output enable (OE) pin controls the state of the outputs, allowing them to be enabled or disabled as needed.

Detailed Application Field Plans

The 74AC574SCX finds applications in various digital systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74AC574SCX. Some notable alternatives include:

1. 74HC574: A CMOS version with compatible pin configuration.
2. SN74LS374: A TTL version with higher voltage tolerance.
3. CD4013: A dual D-type flip-flop IC with complementary outputs.

These alternative models can be considered based on specific project requirements and compatibility with existing circuitry.

In conclusion, the 74AC574SCX is a versatile integrated circuit used for data storage and transfer applications in digital electronics. Its high-speed operation, low power consumption, and compact size make it suitable for various projects.