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74FCT244ATPGG
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Encyclopedia Entry: 74FCT244ATPGG

Product Overview

Category

The 74FCT244ATPGG 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 for signal buffering and line driving purposes. It helps in maintaining signal integrity and ensuring proper transmission between different components of a circuit.

Characteristics

  • The 74FCT244ATPGG is a high-speed octal buffer/line driver.
  • It operates on a wide voltage range, typically between 4.5V and 5.5V.
  • This IC offers non-inverting outputs and can drive up to 15 pF capacitive loads.
  • It has a low input and output leakage current, making it suitable for various applications.
  • The device is designed to provide high noise immunity and robust performance.

Package and Quantity

The 74FCT244ATPGG is available in a standard 20-pin TSSOP (Thin Shrink Small Outline Package) package. Each package contains one unit of the IC.

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 74FCT244ATPGG has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

  • The 74FCT244ATPGG acts as a buffer and line driver, providing signal amplification and driving capability.
  • It offers non-inverting outputs, ensuring the same logic level as the input signals.
  • The IC has an output enable pin (OE) that allows for easy control of the output state.
  • It operates at high speeds, making it suitable for time-critical applications.
  • The device exhibits low power consumption, contributing to energy-efficient designs.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient data transmission.
  • Non-inverting outputs maintain signal integrity.
  • Wide voltage range compatibility enhances versatility.
  • Low power consumption contributes to energy efficiency.

Disadvantages

  • Limited output current may restrict usage in certain applications requiring higher drive capabilities.
  • The TSSOP package may pose challenges during manual soldering due to its small size.

Working Principles

The 74FCT244ATPGG functions by receiving digital input signals on its input pins (A1-A8). These signals are then amplified and transmitted through the corresponding output pins (Y1-Y8). The output enable pin (OE) controls the state of the outputs, allowing them to be enabled or disabled as required. The IC operates on a supply voltage within the specified range and ensures proper signal transmission between different components of a digital system.

Application Field Plans

The 74FCT244ATPGG finds applications in various fields, including: - Microprocessor-based systems - Data communication networks - Industrial automation - Automotive electronics - Consumer electronics

Alternative Models

Several alternative models with similar functionality are available in the market. Some notable alternatives to the 74FCT244ATPGG include: - SN74LV244A - MC74VHC244 - CD74HCT244 - 74ACT244

These alternative models offer comparable features and can be considered based on specific requirements and availability.

In conclusion, the 74FCT244ATPGG is a high-speed octal buffer/line driver IC that finds applications in various digital systems. Its non-inverting outputs, wide voltage range compatibility, and robust performance make it a reliable choice for signal buffering and line driving needs.

Luettele 10 yleistä kysymystä ja vastausta, jotka liittyvät 74FCT244ATPGG :n soveltamiseen teknisissä ratkaisuissa

Sure! Here are 10 common questions and answers related to the application of 74FCT244ATPGG in technical solutions:

  1. Q: What is the function of the 74FCT244ATPGG?

    • A: The 74FCT244ATPGG is an octal buffer/line driver with 3-state outputs.

  2. Q: What is the maximum operating voltage for the 74FCT244ATPGG?

    • A: The maximum operating voltage is 5.5V.

  3. Q: How many input/output pins does the 74FCT244ATPGG have?

    • A: It has 8 input pins and 8 output pins.

  4. Q: Can the 74FCT244ATPGG be used for level shifting between different voltage domains?

    • A: Yes, it can be used for level shifting as long as the voltage levels are within its operating range.

  5. Q: What is the maximum output current that the 74FCT244ATPGG can drive?

    • A: The maximum output current is typically 24mA.

  6. Q: Is the 74FCT244ATPGG compatible with TTL logic levels?

    • A: Yes, it is compatible with both TTL and CMOS logic levels.

  7. Q: Can the 74FCT244ATPGG be used for bidirectional communication?

    • A: No, it is a unidirectional buffer and cannot be used for bidirectional communication.

  8. Q: What is the propagation delay of the 74FCT244ATPGG?

    • A: The typical propagation delay is around 4.5 ns.

  9. Q: Does the 74FCT244ATPGG have internal pull-up or pull-down resistors?

    • A: No, it does not have internal pull-up or pull-down resistors.

  10. Q: Can the 74FCT244ATPGG be used in high-speed applications?

    • A: Yes, it is designed for high-speed operation and can be used in such applications.

Please note that these answers are general and may vary depending on the specific application and datasheet of the 74FCT244ATPGG.