Encyclopedia Entry: 74VHCT574AFT

Product Overview

Category

The 74VHCT574AFT belongs to the category of integrated circuits (ICs) and specifically falls under the family of flip-flops.

Use

This IC is primarily used for storing and transferring digital data in electronic circuits. It serves as a latch or register, allowing the storage and retrieval of binary information.

Characteristics

• High-speed operation: The 74VHCT574AFT offers fast data transfer rates, making it suitable for applications requiring quick data processing.
• Low power consumption: This IC is designed to operate efficiently with minimal power requirements, making it ideal for battery-powered devices.
• Compatibility: It is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic families, ensuring versatility in various circuit designs.

Package

The 74VHCT574AFT is available in a small-outline integrated circuit (SOIC) package. This package type provides compactness and ease of integration into electronic systems.

Essence

The essence of the 74VHCT574AFT lies in its ability to store and transfer digital data reliably and efficiently within electronic circuits.

Packaging/Quantity

The IC is typically packaged in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 2.0V - 5.5V
• Input Voltage: 0V - VCC
• Output Voltage: 0V - VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Clock Frequency: 100MHz

Detailed Pin Configuration

The 74VHCT574AFT features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

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

Functional Features

The 74VHCT574AFT offers the following functional features:

• Data Storage: The IC can store data on its eight output pins (Q0-Q7) until new data is received.
• Data Transfer: It allows the transfer of stored data to other components or circuits upon receiving a clock signal.
• Master Reset: The master reset input (MR) enables the clearing of stored data, resetting all outputs to a predefined state.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates quick data processing.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with TTL and CMOS logic families enhances versatility in circuit design.

Disadvantages

• Limited storage capacity: The 74VHCT574AFT can store data on eight output pins, which may be insufficient for certain applications requiring larger memory capacity.
• Lack of built-in error detection and correction mechanisms: This IC does not include error checking or correction features, making it susceptible to data corruption.

Working Principles

The 74VHCT574AFT operates based on the principles of flip-flops. It utilizes positive-edge-triggered D-type flip-flops to store and transfer digital data. The input data is latched and stored within the flip-flop upon receiving a clock signal. The stored data remains unchanged until a new clock signal triggers the transfer of data to the output pins.

Detailed Application Field Plans

The 74VHCT574AFT finds application in various electronic systems and devices, including but not limited to:

1. Microcontrollers: Used for storing and transferring data between the microcontroller and other peripheral components.
2. Data Communication Systems: Facilitates data buffering and synchronization in communication protocols such as UART (Universal Asynchronous Receiver-Transmitter).
3. Memory Modules: Enables data storage and retrieval in memory modules like RAM (Random Access Memory) and