Encyclopedia Entry: 74AHCT244BQ,115

Product Overview

Category

The 74AHCT244BQ,115 belongs to the category of integrated circuits (ICs) and specifically falls under the family of buffer/line drivers.

Use

This product is commonly used in digital systems to provide buffering and signal amplification for data lines. It ensures reliable transmission of signals between different components of a circuit.

Characteristics

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Schmitt-trigger action on all inputs
• Balanced propagation delays
• Symmetrical output impedance

Package

The 74AHCT244BQ,115 is available in a standard 20-pin SSOP (Shrink Small Outline Package) package. This package offers compactness and ease of integration into various electronic devices.

Essence

The essence of the 74AHCT244BQ,115 lies in its ability to amplify and buffer digital signals, ensuring their integrity and reliability during transmission.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

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 +125°C
• Maximum Propagation Delay: 10 ns
• Maximum Quiescent Current: 4 μA

Detailed Pin Configuration

The 74AHCT244BQ,115 has a total of 20 pins, numbered as follows:

1. A1
2. Y1
3. A2
4. Y2
5. A3
6. Y3
7. A4
8. Y4
9. GND
10. Y5
11. A5
12. Y6
13. A6
14. Y7
15. A7
16. Y8
17. VCC
18. OE
19. GND
20. OE

Functional Features

• Buffering and amplification of digital signals
• Schmitt-trigger action for noise immunity
• Balanced propagation delays for synchronized signal transmission
• Symmetrical output impedance for improved signal integrity

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transmission
• Low power consumption helps in reducing overall energy usage
• Wide operating voltage range provides flexibility in various applications
• Schmitt-trigger action enhances noise immunity, ensuring reliable signal reception

Disadvantages

• Limited number of input/output channels (8 in total)
• Not suitable for applications requiring a large number of buffered lines

Working Principles

The 74AHCT244BQ,115 operates by receiving digital signals at its input pins (A1-A7) and amplifying them to the corresponding output pins (Y1-Y8). The Schmitt-trigger action on the inputs ensures noise immunity, while the balanced propagation delays and symmetrical output impedance help maintain signal integrity during transmission.

Detailed Application Field Plans

The 74AHCT244BQ,115 finds application in various digital systems, including but not limited to: - Microcontrollers - Data communication devices - Memory modules - Industrial automation systems - Automotive electronics

In microcontroller-based systems, this IC can be used to buffer and amplify signals between the microcontroller and peripheral devices, ensuring reliable data transfer. In data communication devices, it helps in maintaining signal integrity over long distances. Memory modules benefit from its high-speed operation for efficient data storage and retrieval. Industrial automation systems utilize it for signal conditioning and interfacing. Automotive electronics employ this IC for reliable communication between different components.

Detailed and Complete Alternative Models

• 74HC244: Similar functionality, but operates at a higher voltage range (2V to 6V)
• SN74LVC244A: Low-voltage version with similar characteristics, suitable for battery-powered applications
• CD74HCT244E: DIP package alternative with the same functionality and characteristics

These alternative models offer similar buffering and amplification capabilities, with slight variations in voltage ranges, package types, or power consumption.

In conclusion, the 74AHCT244BQ,115 is a versatile integrated circuit that provides reliable buffering and signal amplification in digital systems. Its high-speed operation, low power consumption, and noise immunity make it suitable for various applications in different industries.