Encyclopedia Entry: 74VHCT373M

Product Overview

Category

The 74VHCT373M belongs to the category of integrated circuits (ICs) and specifically falls under the group of flip-flops.

Use

This IC is commonly used in digital electronics for storing and transferring data. It serves as an octal transparent latch with 3-state outputs.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with both TTL and CMOS logic levels
• 3-state outputs for bus-oriented applications

Package

The 74VHCT373M is available in a standard 20-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the 74VHCT373M lies in its ability to store and transfer data efficiently, making it a crucial component in various digital systems.

Packaging/Quantity

The 74VHCT373M is typically packaged in reels or tubes, with each reel containing approximately 2500 units.

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: 80MHz

Detailed Pin Configuration

The 74VHCT373M has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

1. D0 - Data input 0
2. D1 - Data input 1
3. D2 - Data input 2
4. D3 - Data input 3
5. D4 - Data input 4
6. D5 - Data input 5
7. D6 - Data input 6
8. D7 - Data input 7
9. GND - Ground
10. OE - Output enable
11. LE - Latch enable
12. Q0 - Output 0
13. Q1 - Output 1
14. Q2 - Output 2
15. Q3 - Output 3
16. Q4 - Output 4
17. Q5 - Output 5
18. Q6 - Output 6
19. Q7 - Output 7
20. VCC - Power supply

Functional Features

The key functional features of the 74VHCT373M include:

• Octal transparent latch with 3-state outputs
• High-speed operation for efficient data transfer
• Compatibility with both TTL and CMOS logic levels
• Output enable and latch enable control for flexible usage in bus-oriented applications

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data transfer
• Low power consumption helps in reducing energy usage
• Compatibility with both TTL and CMOS logic levels enables easy integration into existing systems
• 3-state outputs facilitate bus-oriented applications

Disadvantages

• Limited number of output pins (8) may restrict certain applications requiring more outputs
• Not suitable for high-voltage applications due to its limited supply voltage range

Working Principles

The 74VHCT373M operates based on the principles of flip-flops. It stores data when the latch enable (LE) signal is active, and transfers the stored data to the outputs when the output enable (OE) signal is active. The IC can be controlled using TTL or CMOS logic levels, making it versatile in various digital systems.

Detailed Application Field Plans

The 74VHCT373M finds extensive use in numerous applications, including but not limited to:

1. Microprocessor-based systems
2. Data storage and retrieval systems
3. Communication systems
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available that offer similar functionality to the 74VHCT373M. Some notable alternatives include:

1. 74HC373: Similar octal transparent latch with 3-state outputs, but operates at a higher voltage range.
2. CD74ACT373: Octal transparent latch with 3-state outputs, designed for high-speed operation.
3. SN74LVC373A: Low-voltage octal transparent latch with 3-state outputs, compatible with both TTL and CMOS logic levels.

These alternative models can be considered based on specific requirements and compatibility with the existing system.

In conclusion, the 74VHCT373M is a versatile integrated circuit used for data storage and transfer in digital systems. Its high-speed operation, low power consumption, and compatibility with different logic levels make it a valuable component in various applications.