Encyclopedia Entry: 74VHC574SJ

Product Overview

Category

The 74VHC574SJ belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is commonly used in digital electronics for storing and transferring binary data. It serves as a latch or register, allowing for the temporary storage of information within a circuit.

Characteristics

• High-speed operation: The 74VHC574SJ offers fast data transfer rates, making it suitable for applications requiring quick processing.
• Low power consumption: This IC is designed to minimize power usage, making it energy-efficient.
• Wide voltage range: It can operate within a wide voltage range, typically between 2V and 5.5V.
• Compatibility: The 74VHC574SJ is compatible with various logic families, including TTL and CMOS.

Package and Quantity

The 74VHC574SJ is available in a small outline integrated circuit (SOIC) package. Each package contains one IC.

Specifications

• Supply Voltage Range: 2V to 5.5V
• 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

Pin Configuration

The 74VHC574SJ has a total of 20 pins, each serving a specific function. The detailed pin configuration is as follows:

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. OE (Output Enable)
11. Q0 (Flip-Flop Output 0)
12. Q1 (Flip-Flop Output 1)
13. Q2 (Flip-Flop Output 2)
14. Q3 (Flip-Flop Output 3)
15. Q4 (Flip-Flop Output 4)
16. Q5 (Flip-Flop Output 5)
17. Q6 (Flip-Flop Output 6)
18. Q7 (Flip-Flop Output 7)
19. VCC (Positive Power Supply)
20. GND (Ground)

Functional Features

• Data Storage: The 74VHC574SJ can store binary data in its flip-flops, allowing for temporary storage and retrieval.
• Data Transfer: It enables the transfer of stored data to other components within a digital circuit.
• Output Enable Control: The OE pin controls the activation or deactivation of the output, providing flexibility in data transmission.

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data processing.
• Low power consumption makes it energy-efficient.
• Wide voltage range ensures compatibility with various systems.
• Compact SOIC package facilitates easy integration into circuits.

Disadvantages

• Limited number of flip-flops (8) may restrict its use in applications requiring a higher capacity.
• Sensitive to electrostatic discharge (ESD), necessitating proper handling during installation.

Working Principles

The 74VHC574SJ operates based on the principles of positive-edge-triggered D-type flip-flops. It stores incoming data when triggered by a clock signal and transfers the stored data to the outputs upon receiving an enable signal. This sequential process allows for controlled data storage and transfer within a digital system.

Application Field Plans

The 74VHC574SJ finds applications in various digital systems, including: 1. Microcontrollers and microprocessors 2. Data storage devices 3. Communication systems 4. Industrial automation 5. Automotive electronics

Alternative Models

For those seeking alternatives to the 74VHC574SJ, the following ICs can be considered: - SN74LV574A: Low-voltage octal D-type flip-flop with similar specifications. - CD4013B: Dual D-type flip-flop with higher capacity and broader voltage range.

In conclusion, the 74VHC574SJ is a versatile integrated circuit used for data storage and transfer in digital systems. Its high-speed operation, low power consumption, and compatibility make it suitable for various applications across different industries.