Encyclopedia Entry: 74VHC574FT

Product Overview

Category

The 74VHC574FT 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 electronic systems for storing and transferring data. It serves as an essential component in various applications, including microprocessors, memory units, and communication devices.

Characteristics

• High-speed operation: The 74VHC574FT offers fast data transfer rates, making it suitable for time-critical applications.
• Low power consumption: This IC is designed to minimize power consumption, ensuring energy efficiency in electronic systems.
• Wide operating voltage range: It can operate within a broad voltage range, typically between 2V and 5.5V.
• Compatibility: The 74VHC574FT is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

Package and Quantity

The 74VHC574FT is available in a small-outline integrated circuit (SOIC) package. Each package contains one IC.

Essence

The essence of the 74VHC574FT lies in its ability to store and transfer digital data reliably and efficiently within electronic systems.

Packaging/Quantity

The 74VHC574FT is typically sold in reels or tubes, with each reel containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

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: X MHz (specific value depends on the variant)

Detailed Pin Configuration

The 74VHC574FT 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: Clock Input (CLK)
11. Pin 11: Data Input D0
12. Pin 12: Data Input D1
13. Pin 13: Data Input D2
14. Pin 14: Data Input D3
15. Pin 15: Data Input D4
16. Pin 16: Data Input D5
17. Pin 17: Data Input D6
18. Pin 18: Data Input D7
19. Pin 19: Output Enable (OE)
20. Pin 20: VCC (Supply Voltage)

Functional Features

The 74VHC574FT offers the following functional features:

• Data storage: It can store data on its eight output pins (Q0-Q7) until new data is received.
• Data transfer: The IC allows for the transfer of stored data to other components or devices when triggered by the clock input.
• Output enable control: The output enable pin (OE) enables or disables the outputs, providing flexibility in controlling data flow.

Advantages and Disadvantages

Advantages

• High-speed operation facilitates efficient data transfer.
• Low power consumption ensures energy efficiency.
• Wide operating voltage range enhances compatibility with various systems.
• Compatibility with TTL and CMOS logic levels simplifies integration into existing designs.

Disadvantages

• Limited storage capacity: The 74VHC574FT can store data on eight output pins, which may be insufficient for certain applications requiring larger memory capacities.
• Sensitivity to voltage fluctuations: Extreme voltage variations beyond the specified range may affect the IC's performance and reliability.

Working Principles

The 74VHC574FT operates based on the principles of flip-flops. It utilizes positive-edge-triggered D-type flip-flops to store and transfer data. When a clock signal is received, the input data is latched and stored in the flip-flops. Subsequently, the stored data can be transferred to other components or devices as required.

Detailed Application Field Plans

The 74VHC574FT finds extensive application in various digital electronic systems, including but not limited to:

1. Microprocessors: It serves as a vital component in microprocessor architectures, enabling efficient data storage and transfer within the system.
2. Memory Units: The IC facilitates data storage and retrieval in memory units, such as RAM (Random Access Memory) and ROM (Read-Only Memory).
3. Communication Devices: