Encyclopedia Entry: 74FCT244ATPYG

Product Overview

Category

The 74FCT244ATPYG belongs to the category of integrated circuits (ICs), specifically a type of digital buffer/line driver.

Use

This IC is commonly used in electronic devices to provide signal buffering and line driving capabilities. It helps in maintaining signal integrity and ensuring proper voltage levels during data transmission.

Characteristics

• High-speed operation: The 74FCT244ATPYG is designed for high-speed applications, making it suitable for use in systems that require fast data transfer.
• Low power consumption: This IC is energy-efficient, consuming minimal power during operation.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 4.5V and 5.5V.
• Robust design: The 74FCT244ATPYG is built to withstand harsh environmental conditions and has good noise immunity.

Package and Quantity

The 74FCT244ATPYG is available in a small outline package (SOP) with 20 pins. It is commonly sold in reels or tubes containing multiple units, with quantities varying based 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
• Maximum Propagation Delay: 6 ns
• Maximum Output Current: ±24 mA

Pin Configuration

The 74FCT244ATPYG has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

• Buffering: The 74FCT244ATPYG acts as a buffer, amplifying and maintaining the integrity of input signals.
• Line Driving: It provides sufficient driving capability to ensure proper signal transmission over long distances or when connected to multiple devices.
• Output Enable Control: The OE pin allows for enabling or disabling the output, providing flexibility in controlling signal flow.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data transfer.
• Low power consumption contributes to energy efficiency.
• Wide operating voltage range allows compatibility with various systems.
• Robust design ensures reliability in challenging environments.

Disadvantages

• Limited number of input/output channels (8 in total).
• May require additional components for specific applications, such as voltage level shifting.

Working Principles

The 74FCT244ATPYG operates based on the principles of digital logic. It receives input signals through the designated input pins and amplifies them to maintain signal integrity. The amplified signals are then transmitted through the corresponding output pins. The OE pin controls the enable/disable state of the outputs, allowing for flexible signal routing.

Application Field Plans

The 74FCT244ATPYG finds applications in various electronic systems, including but not limited to: - Data communication devices - Microcontrollers and microprocessors - Memory modules - Industrial automation systems - Automotive electronics

Alternative Models

Several alternative models with similar functionality to the 74FCT244ATPYG include: - SN74FCT244APW - MC74FCT244AN - CD74FCT244E - 74ACT244SCX

These alternatives can be considered based on specific requirements, availability, and pricing.

In conclusion, the 74FCT244ATPYG is a high-speed digital buffer/line driver IC that offers reliable signal buffering and line driving capabilities. Its low power consumption, wide operating voltage range, and robust design make it suitable for various applications in the field of electronics.

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