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SN74HCT244DWE4
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SN74HCT244DWE4

Product Overview

Category

SN74HCT244DWE4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as a buffer or line driver in various electronic applications.

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
  • Balanced propagation delays
  • Low power consumption

Package

SN74HCT244DWE4 is available in a standard SOIC-20 package.

Essence

The essence of SN74HCT244DWE4 lies in its ability to provide high-speed and reliable signal buffering and line driving capabilities.

Packaging/Quantity

SN74HCT244DWE4 is typically packaged in reels, with 2500 units per reel.

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: 15 ns
  • Maximum Quiescent Current: 8 μA

Detailed Pin Configuration

SN74HCT244DWE4 consists of 20 pins arranged as follows:

__ __ A1 | 1 20 | VCC A2 | 2 19 | B1 A3 | 3 18 | B2 A4 | 4 17 | B3 A5 | 5 16 | B4 A6 | 6 15 | B5 A7 | 7 14 | B6 GND | 8 13 | B7 OE | 9 12 | B8 Y | 10 11 | GND --------

Functional Features

  • High-speed signal buffering and line driving
  • Schmitt-trigger inputs for improved noise immunity
  • Balanced propagation delays for reliable signal transmission
  • Low power consumption for energy-efficient operation

Advantages

  • Wide operating voltage range allows compatibility with various systems
  • Schmitt-trigger inputs ensure reliable operation in noisy environments
  • Balanced propagation delays enable precise timing in signal transmission
  • Low power consumption helps conserve energy in battery-powered applications

Disadvantages

  • Limited number of input/output channels (8 channels)
  • Not suitable for high-voltage applications (limited to 5.5V)

Working Principles

SN74HCT244DWE4 operates by receiving input signals on the A1-A7 pins and providing buffered output signals on the Y pin. The OE pin is used to enable or disable the output. The IC utilizes Schmitt-trigger inputs to improve noise immunity and balanced propagation delays to ensure accurate signal transmission.

Detailed Application Field Plans

SN74HCT244DWE4 finds applications in various electronic systems, including but not limited to: - Microcontrollers - Digital signal processors - Communication systems - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to SN74HCT244DWE4 include: - SN74HCT240: Octal buffer/line driver with 3-state outputs - SN74HCT541: Octal buffer/line driver with 3-state outputs and non-inverting inputs - SN74HCT573: Octal transparent latch with 3-state outputs

These alternative models offer different features and pin configurations, allowing users to choose the most suitable option for their specific application requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací SN74HCT244DWE4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of SN74HCT244DWE4 in technical solutions:

  1. Q: What is SN74HCT244DWE4? A: SN74HCT244DWE4 is a high-speed octal buffer and line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for SN74HCT244DWE4? A: The operating voltage range for SN74HCT244DWE4 is typically between 4.5V and 5.5V.

  3. Q: What is the maximum output current of SN74HCT244DWE4? A: The maximum output current of SN74HCT244DWE4 is typically 6mA.

  4. Q: Can SN74HCT244DWE4 be used as a level shifter? A: Yes, SN74HCT244DWE4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many input/output pins does SN74HCT244DWE4 have? A: SN74HCT244DWE4 has 8 input pins and 8 output pins, making it an octal buffer.

  6. Q: What is the propagation delay of SN74HCT244DWE4? A: The propagation delay of SN74HCT244DWE4 is typically around 11ns.

  7. Q: Can SN74HCT244DWE4 drive capacitive loads? A: Yes, SN74HCT244DWE4 can drive capacitive loads up to a certain limit. It is recommended to refer to the datasheet for specific details.

  8. Q: Is SN74HCT244DWE4 compatible with TTL logic levels? A: Yes, SN74HCT244DWE4 is compatible with TTL logic levels, making it suitable for interfacing with TTL devices.

  9. Q: Can SN74HCT244DWE4 be used in bidirectional applications? A: No, SN74HCT244DWE4 is a unidirectional buffer and line driver, so it is not suitable for bidirectional applications.

  10. Q: What is the package type of SN74HCT244DWE4? A: SN74HCT244DWE4 comes in a standard SOIC-20 package, which is a surface-mount package with 20 pins.

Please note that these answers are general and may vary depending on specific datasheet specifications.