Encyclopedia Entry: 74VHC244MX

Product Overview

Category

The 74VHC244MX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for signal amplification and buffering purposes.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Compatibility with various logic families

Package

The 74VHC244MX is available in a small outline integrated circuit (SOIC) package.

Essence

The essence of the 74VHC244MX lies in its ability to provide reliable signal amplification and buffering, enhancing the performance of digital electronic systems.

Packaging/Quantity

The 74VHC244MX is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Maximum Propagation Delay: 6 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

The 74VHC244MX has a total of 20 pins, which are arranged as follows:

1. Pin 1: Output 1 (Y1)
2. Pin 2: Output 2 (Y2)
3. Pin 3: Output 3 (Y3)
4. Pin 4: Output 4 (Y4)
5. Pin 5: Output 5 (Y5)
6. Pin 6: Output 6 (Y6)
7. Pin 7: Output 7 (Y7)
8. Pin 8: Output 8 (Y8)
9. Pin 9: Ground (GND)
10. Pin 10: Input 1 (A1)
11. Pin 11: Input 2 (A2)
12. Pin 12: Input 3 (A3)
13. Pin 13: Input 4 (A4)
14. Pin 14: Input 5 (A5)
15. Pin 15: Input 6 (A6)
16. Pin 16: Input 7 (A7)
17. Pin 17: Input 8 (A8)
18. Pin 18: Enable (EN)
19. Pin 19: Ground (GND)
20. Pin 20: Supply Voltage (VCC)

Functional Features

• Signal amplification and buffering
• High-speed operation for efficient data transmission
• Compatibility with various logic families, allowing seamless integration into existing systems
• Low power consumption, reducing energy requirements
• Wide operating voltage range, providing flexibility in different applications

Advantages and Disadvantages

Advantages

• High-speed operation enhances system performance.
• Low power consumption reduces energy costs.
• Wide operating voltage range allows for versatile applications.
• Compatibility with various logic families simplifies integration.

Disadvantages

• Limited number of inputs and outputs may restrict certain complex applications.
• Propagation delay of 6 ns may not be suitable for ultra-high-speed applications.

Working Principles

The 74VHC244MX operates by receiving input signals through its eight input pins (A1 to A8). These signals are then amplified and buffered before being transmitted through the corresponding output pins (Y1 to Y8). The enable pin (EN) controls the activation of the IC, allowing or blocking the signal transmission.

Detailed Application Field Plans

The 74VHC244MX finds extensive use in various digital electronic systems, including but not limited to: - Microcontrollers - Data communication devices - Memory systems - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

1. 74HC244: Similar to the 74VHC244MX, but operates at a higher voltage range (2V to 6V).
2. SN74LV244A: Low-voltage version of the 74VHC244MX, operating at a voltage range of 1.65V to 3.6V.
3. CD74HCT244: Compatible alternative with TTL logic levels, suitable for mixed logic systems.

These alternative models offer similar functionality and can be used as substitutes depending on specific application requirements.

In conclusion, the 74VHC244MX is a versatile integrated circuit that provides signal amplification and buffering capabilities in digital electronic systems. Its high-speed operation, low power consumption, and wide operating voltage range make it a popular choice across various industries. While it has certain limitations, such as a limited number of inputs/outputs and a propagation delay of 6 ns, alternative models are available to address specific needs.