Encyclopedia Entry: 74VHCT374ASJ

Product Overview

Category

The 74VHCT374ASJ 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 the storage and manipulation of information within a circuit.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with both TTL and CMOS logic levels
• Wide operating voltage range
• Compact size

Package

The 74VHCT374ASJ is typically available in a small outline integrated circuit (SOIC) package. This package offers ease of handling and compatibility with automated assembly processes.

Essence

The essence of the 74VHCT374ASJ lies in its ability to store and control digital information, making it an essential component in various electronic devices and systems.

Packaging/Quantity

The IC is commonly sold in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier and customer requirements.

Specifications

• Supply Voltage: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Level: TTL/CMOS compatible
• Number of Flip-Flops: 8
• Output Type: Tri-state

Detailed Pin Configuration

The 74VHCT374ASJ has a total of 20 pins, each serving a specific function within the circuit. The 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. CP (Clock Pulse)
12. MR (Master Reset)
13. Q0 (Flip-Flop Output 0)
14. Q1 (Flip-Flop Output 1)
15. Q2 (Flip-Flop Output 2)
16. Q3 (Flip-Flop Output 3)
17. Q4 (Flip-Flop Output 4)
18. Q5 (Flip-Flop Output 5)
19. Q6 (Flip-Flop Output 6)
20. VCC (Supply Voltage)

Functional Features

• Data storage and transfer: The 74VHCT374ASJ can store binary data on its flip-flops and transfer it to the output pins upon receiving a clock pulse.
• Tri-state outputs: The IC features tri-state outputs, allowing for efficient bus sharing and reducing signal interference.
• Master reset: The master reset pin enables the simultaneous clearing of all flip-flops, ensuring a known initial state.

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data processing.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with both TTL and CMOS logic levels ensures versatility in circuit design.
• Wide operating voltage range provides flexibility in various applications.
• Compact size facilitates integration into space-constrained designs.

Disadvantages

• Limited number of flip-flops may restrict the complexity of certain applications.
• Lack of built-in error detection or correction mechanisms.

Working Principles

The 74VHCT374ASJ operates based on the principles of sequential logic. It utilizes flip-flops to store and manipulate digital information. Upon receiving a clock pulse, the input data is latched and transferred to the output pins. The tri-state outputs allow for efficient bus sharing, enabling multiple devices to share a common data line.

Detailed Application Field Plans

The 74VHCT374ASJ finds applications in various fields, including:

1. Microcontrollers: Used for storing and transferring data within microcontroller systems.
2. Communication Systems: Employed in data transmission and reception circuits.
3. Memory Modules: Integrated into memory modules for data storage and retrieval.
4. Industrial Automation: Utilized in control systems for sequential operations.
5. Automotive Electronics: Incorporated in automotive control units for data processing.

Detailed and Complete Alternative Models

1. 74HC374: Similar functionality with TTL logic level compatibility.
2. 74LS374: Compatible with TTL logic levels, but with different power consumption characteristics.
3. CD74ACT374: Offers higher speed operation and wider operating temperature range.

These alternative models provide similar functionality to the 74VHCT374ASJ, catering to different design requirements and constraints.

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