Encyclopedia Entry: 74HC374D

Product Overview

Category

The 74HC374D belongs to the category of integrated circuits (ICs), specifically flip-flops.

Use

This IC is commonly used for storing and transferring digital data in various electronic devices and systems.

Characteristics

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

Package

The 74HC374D is available in a standard dual in-line package (DIP) with 20 pins.

Essence

The essence of the 74HC374D lies in its ability to store and manipulate digital information, making it an essential component in many digital systems.

Packaging/Quantity

The 74HC374D is typically packaged in reels or tubes, with quantities varying depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature Range: -40°C to +125°C
• Maximum Clock Frequency: 80 MHz
• Maximum Propagation Delay: 25 ns

Detailed Pin Configuration

The 74HC374D has a total of 20 pins, each serving a specific function. 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 (Output 0)
14. Q1 (Output 1)
15. Q2 (Output 2)
16. Q3 (Output 3)
17. Q4 (Output 4)
18. Q5 (Output 5)
19. Q6 (Output 6)
20. VCC (Supply Voltage)

Functional Features

The 74HC374D offers the following functional features:

• Data storage and transfer capabilities
• Output enable control for multiplexing applications
• Master reset functionality for clearing stored data
• Compatibility with various logic levels, allowing seamless integration into different systems

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data processing
• Low power consumption contributes to energy efficiency
• Wide operating voltage range allows flexibility in system design
• Compatibility with both TTL and CMOS logic levels simplifies integration

Disadvantages

• Limited number of output pins may restrict certain applications requiring more outputs
• Propagation delay may affect real-time applications with strict timing requirements

Working Principles

The 74HC374D operates based on the principles of flip-flops. It utilizes clock pulses to latch and store incoming digital data. The stored data can then be transferred to the output pins upon receiving an output enable signal. The master reset pin allows for clearing the stored data when necessary.

Detailed Application Field Plans

The 74HC374D finds extensive use in various electronic applications, including but not limited to:

1. Microcontrollers and microprocessors
2. Digital communication systems
3. Memory modules
4. Data acquisition systems
5. Industrial automation equipment
6. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74HC374D. Some notable alternatives include:

1. SN74HC374N by Texas Instruments
2. CD74HC374E by Texas Instruments
3. MC74HC374AN by ON Semiconductor
4. 74HCT374 by NXP Semiconductors

These alternative models can be considered based on specific requirements and availability.

In conclusion, the 74HC374D is a versatile flip-flop IC that provides efficient data storage and transfer capabilities. Its high-speed operation, low power consumption, and compatibility with different logic levels make it suitable for various electronic applications. While it has certain limitations, its advantages outweigh the disadvantages, making it a popular choice in digital systems design.