Encyclopedia Entry: 74VHC574TTR

Product Overview

Category

The 74VHC574TTR belongs to the category of integrated circuits (ICs), specifically 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 the storage and retrieval of information in sequential logic circuits.

Characteristics

• High-speed operation: The 74VHC574TTR 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.
• Wide voltage range: It can function within a broad voltage range, typically between 2V and 5.5V.
• Compatibility: The 74VHC574TTR is compatible with various logic families, including TTL and CMOS.

Package

The 74VHC574TTR is available in a small-outline transistor (SOT) package. This package type ensures compactness and ease of integration into electronic circuit boards.

Essence

The essence of the 74VHC574TTR lies in its ability to store and transfer digital data reliably and efficiently. It simplifies the implementation of sequential logic circuits by providing a convenient solution for data storage and retrieval.

Packaging/Quantity

The 74VHC574TTR is typically sold in reels containing multiple units. The exact quantity may vary depending on the supplier, but a common packaging option includes 250 units per reel.

Specifications

• Supply Voltage Range: 2V to 5.5V
• High-Level Input Voltage: 0.7 x VCC
• Low-Level Input Voltage: 0.3 x VCC
• High-Level Output Voltage: 0.9 x VCC
• Low-Level Output Voltage: 0.1 x VCC
• Maximum Operating Frequency: 200 MHz
• Number of Flip-Flops: 8

Detailed Pin Configuration

The 74VHC574TTR 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: Data Input D0
11. Pin 11: Data Input D1
12. Pin 12: Data Input D2
13. Pin 13: Data Input D3
14. Pin 14: Data Input D4
15. Pin 15: Data Input D5
16. Pin 16: Data Input D6
17. Pin 17: Data Input D7
18. Pin 18: Clock Input (CLK)
19. Pin 19: Master Reset (MR)
20. Pin 20: VCC (Supply Voltage)

Functional Features

The 74VHC574TTR offers the following functional features:

1. Data Storage: It can store binary data in its eight flip-flops.
2. Data Transfer: The stored data can be transferred to the output pins upon receiving a clock signal.
3. Master Reset: The master reset pin allows for the simultaneous clearing of all flip-flops, resetting them to a predefined state.
4. Compatibility: This IC is compatible with various logic families, making it versatile and widely applicable.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transfer.
• Low power consumption ensures energy efficiency.
• Wide voltage range allows for compatibility with different systems.
• Compact SOT package facilitates integration into electronic circuits.

Disadvantages

• Limited number of flip-flops (8) may restrict its use in applications requiring a higher capacity.
• The need for an external clock signal may add complexity to the circuit design.

Working Principles

The 74VHC574TTR operates based on the principles of sequential logic. It utilizes flip-flops to store and transfer binary data. When a clock signal is received, the stored data is transferred to the output pins. The master reset pin allows for the simultaneous clearing of all flip-flops, resetting them to a predefined state.

Detailed Application Field Plans

The 74VHC574TTR finds applications in various fields, including:

1. Digital Communication: It can be used in communication systems for data storage and retrieval.
2. Microcontrollers: This IC is suitable for interfacing microcontrollers with external devices, enabling efficient data transfer.
3. Data Processing: It plays a crucial role in