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SN74HC244AN

SN74HC244AN

Product Overview

Category

SN74HC244AN belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High-speed operation
  • Wide voltage range
  • Low power consumption
  • Compatibility with TTL and CMOS logic levels

Package

SN74HC244AN is available in a 20-pin plastic dual in-line package (DIP).

Essence

The essence of SN74HC244AN lies in its ability to provide high-speed signal buffering and driving capabilities in digital circuits.

Packaging/Quantity

SN74HC244AN is typically packaged in tubes or reels, with quantities varying depending on the supplier.

Specifications

  • Supply Voltage: 2V to 6V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Maximum Propagation Delay: 15 ns
  • Maximum Output Current: ±6 mA

Detailed Pin Configuration

  1. A1
  2. Y1
  3. A2
  4. Y2
  5. GND
  6. Y3
  7. A3
  8. Y4
  9. GND
  10. Y5
  11. A4
  12. Y6
  13. A5
  14. Y7
  15. GND
  16. Y8
  17. OE
  18. VCC
  19. B1
  20. B2

Functional Features

  • Eight bidirectional buffers
  • Non-inverting outputs
  • Three-state outputs
  • Output enable control

Advantages

  • High-speed operation allows for efficient data transfer.
  • Wide voltage range ensures compatibility with various digital systems.
  • Low power consumption contributes to energy efficiency.
  • Compatibility with TTL and CMOS logic levels enables versatile usage.

Disadvantages

  • Limited output current may restrict certain applications.
  • Propagation delay of 15 ns may not be suitable for extremely time-sensitive operations.

Working Principles

SN74HC244AN operates by receiving input signals on the A1-A5 and B1-B2 pins. The internal circuitry buffers and amplifies these signals, providing non-inverted outputs on the Y1-Y8 pins. The OE (Output Enable) pin controls the three-state outputs, allowing for efficient data flow control.

Detailed Application Field Plans

SN74HC244AN finds extensive use in various digital systems, including but not limited to: - Microcontrollers - Data communication devices - Memory modules - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74HC244AN include: - SN74HCT244N - CD74HC244E - MC74HC244AN - 74HC244D

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

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de SN74HC244AN en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of SN74HC244AN:

  1. Q: What is SN74HC244AN? A: SN74HC244AN is a type of integrated circuit (IC) that functions as an octal buffer/line driver with 3-state outputs.

  2. Q: What is the purpose of SN74HC244AN? A: SN74HC244AN is used to amplify and buffer digital signals, allowing them to drive larger loads or be transmitted over longer distances.

  3. Q: What voltage levels does SN74HC244AN support? A: SN74HC244AN supports a wide range of voltage levels, typically between 2V and 6V.

  4. Q: How many inputs and outputs does SN74HC244AN have? A: SN74HC244AN has 8 inputs and 8 outputs, making it suitable for applications requiring multiple signal lines.

  5. Q: Can SN74HC244AN handle bidirectional data transmission? A: No, SN74HC244AN is unidirectional and can only transmit data in one direction.

  6. Q: What is the maximum current that SN74HC244AN can source or sink? A: SN74HC244AN can source or sink up to 35mA per output pin.

  7. Q: Is SN74HC244AN compatible with TTL logic levels? A: Yes, SN74HC244AN is designed to be compatible with both TTL and CMOS logic levels.

  8. Q: Can SN74HC244AN be used in high-speed applications? A: Yes, SN74HC244AN is capable of operating at high speeds, with typical propagation delays of around 10-15 nanoseconds.

  9. Q: Does SN74HC244AN have any built-in protection features? A: Yes, SN74HC244AN has built-in diode clamps to protect against electrostatic discharge (ESD) and other voltage spikes.

  10. Q: What is the recommended power supply voltage for SN74HC244AN? A: The recommended power supply voltage for SN74HC244AN is typically between 4.5V and 5.5V, although it can operate within a wider range.