Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
SN74ACT244PWRG4
Visa detalj Datablad

SN74ACT244PWRG4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: High-Speed, Octal Bus Buffer with 3-State Outputs
  • Package: TSSOP (Thin Shrink Small Outline Package)
  • Essence: The SN74ACT244PWRG4 is a high-speed octal bus buffer designed to provide buffering and line driving capabilities for various digital systems.
  • Packaging/Quantity: The SN74ACT244PWRG4 is available in a TSSOP package and is typically sold in reels of 2500 units.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage Levels: CMOS/TTL Compatible
  • Output Voltage Levels: CMOS/TTL Compatible
  • Operating Temperature Range: -40°C to +85°C
  • Propagation Delay: 5.5 ns (typical)
  • Output Drive Capability: ±24 mA

Detailed Pin Configuration

The SN74ACT244PWRG4 has a total of 20 pins, which are assigned specific functions as follows:

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

Functional Features

  • Octal buffer with 3-state outputs
  • High-speed operation suitable for various digital systems
  • CMOS/TTL compatible input and output voltage levels
  • Output drive capability of ±24 mA
  • Output enable control for easy interfacing with other devices

Advantages and Disadvantages

Advantages

  • High-speed operation allows for efficient data transfer in digital systems.
  • 3-state outputs provide flexibility in controlling bus lines.
  • CMOS/TTL compatibility ensures compatibility with a wide range of devices.
  • Output drive capability enables the driving of multiple loads.

Disadvantages

  • Limited supply voltage range (2V to 6V) may not be suitable for all applications.
  • Propagation delay of 5.5 ns may introduce timing constraints in certain high-speed systems.

Working Principles

The SN74ACT244PWRG4 operates as an octal buffer, receiving input signals and providing buffered outputs. The output enable (OE) inputs control the state of the outputs, allowing them to be either active or in a high-impedance state. The device is designed to operate with CMOS/TTL compatible voltage levels, making it suitable for interfacing with a variety of digital systems.

Detailed Application Field Plans

The SN74ACT244PWRG4 can be used in various applications, including:

  1. Data communication systems
  2. Microprocessor-based systems
  3. Memory interfaces
  4. Industrial automation
  5. Automotive electronics
  6. Consumer electronics

Detailed and Complete Alternative Models

  1. SN74ACT244NSR: Same functionality, different package (SOIC)
  2. SN74ACT244DWR: Same functionality, different package (SOIC)
  3. SN74ACT244DWRE4: Same functionality, different package (SOIC)

These alternative models offer the same features and functionality as the SN74ACT244PWRG4 but come in different packages, providing flexibility for different assembly and mounting requirements.

(Note: The above information provides a brief overview of the SN74ACT244PWRG4. For more detailed specifications and application notes, please refer to the manufacturer's datasheet.)

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74ACT244PWRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74ACT244PWRG4:

  1. Question: What is SN74ACT244PWRG4?
    Answer: SN74ACT244PWRG4 is a octal buffer and line driver with 3-state outputs, commonly used in digital logic applications.

  2. Question: What is the operating voltage range for SN74ACT244PWRG4?
    Answer: The operating voltage range for SN74ACT244PWRG4 is typically between 4.5V and 5.5V.

  3. Question: What is the maximum output current that SN74ACT244PWRG4 can drive?
    Answer: SN74ACT244PWRG4 can drive up to 24mA of output current per channel.

  4. Question: Can SN74ACT244PWRG4 be used as a level shifter?
    Answer: Yes, SN74ACT244PWRG4 can be used as a level shifter to convert signals between different voltage levels.

  5. Question: How many input and output channels does SN74ACT244PWRG4 have?
    Answer: SN74ACT244PWRG4 has 8 input channels and 8 output channels.

  6. Question: What is the propagation delay of SN74ACT244PWRG4?
    Answer: The propagation delay of SN74ACT244PWRG4 is typically around 6ns.

  7. Question: Can SN74ACT244PWRG4 be used in high-speed applications?
    Answer: Yes, SN74ACT244PWRG4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Question: Does SN74ACT244PWRG4 have built-in protection features?
    Answer: Yes, SN74ACT244PWRG4 has built-in ESD protection and can withstand electrostatic discharge up to 2kV.

  9. Question: Can SN74ACT244PWRG4 be used in both digital and analog applications?
    Answer: SN74ACT244PWRG4 is primarily designed for digital applications, but it can also be used in certain analog applications.

  10. Question: Is SN74ACT244PWRG4 available in different package options?
    Answer: Yes, SN74ACT244PWRG4 is available in various package options, including TSSOP and SOIC.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and consult with an expert when designing with SN74ACT244PWRG4 or any other component.