Encyclopedia Entry: 74ABT244CSC

Product Overview

Category

The 74ABT244CSC belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a buffer or line driver in digital systems.

Characteristics

• High-speed operation
• Low power consumption
• Compatibility with TTL input/output levels
• Output drive capability of up to 50mA
• Schmitt-trigger action on all inputs

Package and Quantity

The 74ABT244CSC is available in a small-outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing multiple units.

Essence

The essence of the 74ABT244CSC lies in its ability to provide buffering and signal amplification in digital circuits, ensuring reliable data transmission.

Packaging/Quantity

The 74ABT244CSC is usually packaged in SOIC-20 packages. Each reel or tube may contain multiple units, depending on the supplier.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.8ns (typical)
• Output Current: ±24mA

Detailed Pin Configuration

The 74ABT244CSC has a total of 20 pins, which are assigned specific functions:

1. Pin 1: Output Enable (OE)
2. Pin 2: Input/Output (IO1)
3. Pin 3: Input/Output (IO2)
4. Pin 4: Input/Output (IO3)
5. Pin 5: Input/Output (IO4)
6. Pin 6: Input/Output (IO5)
7. Pin 7: Ground (GND)
8. Pin 8: Input/Output (IO6)
9. Pin 9: Input/Output (IO7)
10. Pin 10: Input/Output (IO8)
11. Pin 11: Input/Output (IO9)
12. Pin 12: Input/Output (IO10)
13. Pin 13: Input/Output (IO11)
14. Pin 14: Input/Output (IO12)
15. Pin 15: Input/Output (IO13)
16. Pin 16: Input/Output (IO14)
17. Pin 17: Input/Output (IO15)
18. Pin 18: Input/Output (IO16)
19. Pin 19: VCC
20. Pin 20: Output Enable (OE)

Functional Features

• Buffering: The 74ABT244CSC acts as a buffer, amplifying and reshaping digital signals to ensure reliable transmission.
• Schmitt-trigger Action: All inputs of the IC incorporate Schmitt-trigger action, which helps in noise immunity and signal conditioning.
• High-speed Operation: The IC is designed for high-speed operation, making it suitable for applications requiring fast data transfer.
• Low Power Consumption: The 74ABT244CSC consumes low power, contributing to energy-efficient designs.

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data transmission.
• Compatibility with TTL input/output levels allows easy integration into existing systems.
• Schmitt-trigger action enhances noise immunity and signal integrity.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited output drive capability may not be suitable for applications requiring higher current levels.
• Availability in SOIC package limits options for certain form factors or mounting methods.

Working Principles

The 74ABT244CSC operates by receiving digital input signals and amplifying them to produce corresponding output signals. The Schmitt-trigger action ensures that the input signals are properly conditioned, reducing the impact of noise. The IC's internal circuitry allows for high-speed operation while consuming minimal power.

Detailed Application Field Plans

The 74ABT244CSC finds applications in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Memory interfaces - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ABT244CSC include: - 74HC244: A CMOS-based octal buffer/line driver with similar characteristics. - SN74LS244: A TTL-based octal buffer/line driver with comparable features. - CD74ACT244: An advanced CMOS octal buffer/line driver offering improved performance.

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

In conclusion, the 74ABT244CSC is a versatile integrated circuit used for buffering and line driving in digital