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SN74BCT244N
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SN74BCT244N

Product Overview

Category

SN74BCT244N belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • High-speed operation
  • Wide operating voltage range
  • Schmitt-trigger inputs for noise immunity
  • 3-state outputs for bus-oriented applications

Package

SN74BCT244N is available in a 20-pin DIP (Dual Inline Package) format.

Essence

The essence of SN74BCT244N lies in its ability to provide buffering and driving capabilities in digital systems, ensuring reliable signal transmission.

Packaging/Quantity

SN74BCT244N is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Input Voltage: 0V to VCC
  • Output Voltage: 0V to VCC
  • Operating Temperature Range: -40°C to +85°C
  • Input Capacitance: 3pF
  • Output Capacitance: 6pF
  • Propagation Delay Time: 8ns (max)
  • Output Current: ±24mA

Detailed Pin Configuration

__ __ A1 |1 \__/ 20| VCC B1 |2 19| B2 A2 |3 18| B3 B3 |4 SN74 17| A3 A3 |5 BCT 16| GND G1 |6 244 15| G2 Y1 |7 14| A4 Y2 |8 13| B4 GND |9 12| A5 B4 |10 11| Y3 -- --

Functional Features

  • Buffering: SN74BCT244N acts as a buffer, amplifying and driving digital signals.
  • Line Driving: It can drive signals over long distances without significant degradation.
  • Noise Immunity: The Schmitt-trigger inputs ensure reliable operation in noisy environments.
  • Bus-Oriented Applications: The 3-state outputs allow multiple devices to share a common bus.

Advantages and Disadvantages

Advantages

  • High-speed operation enables efficient signal transmission.
  • Wide operating voltage range provides flexibility in various applications.
  • Schmitt-trigger inputs enhance noise immunity, ensuring reliable performance.
  • 3-state outputs facilitate bus-oriented applications.

Disadvantages

  • Limited output current may restrict usage in certain high-power applications.
  • Propagation delay time may affect real-time systems with strict timing requirements.

Working Principles

SN74BCT244N operates by receiving digital input signals on its input pins (A1-A5, B1-B4). These signals are then amplified and buffered before being transmitted to the corresponding output pins (Y1-Y3). The Schmitt-trigger inputs help eliminate noise and provide stable logic levels. The 3-state outputs allow multiple devices to share a common bus, enabling efficient communication in digital systems.

Detailed Application Field Plans

SN74BCT244N finds extensive use in various digital systems, including but not limited to: - Microcontrollers - Data communication systems - Industrial automation - Automotive electronics - Robotics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to SN74BCT244N include: - SN74HC244N - SN74LS244N - CD74HCT244E - CD74ACT244M

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

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af SN74BCT244N i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of SN74BCT244N in technical solutions:

  1. Q: What is SN74BCT244N? A: SN74BCT244N is a type of octal buffer/line driver integrated circuit (IC) that can be used for signal buffering and level shifting applications.

  2. Q: What is the operating voltage range of SN74BCT244N? A: SN74BCT244N operates within a voltage range of 4.5V to 5.5V.

  3. Q: How many channels does SN74BCT244N have? A: SN74BCT244N has 8 channels, which means it can handle 8 input/output signals.

  4. Q: What is the maximum output current of SN74BCT244N? A: The maximum output current per channel of SN74BCT244N is typically around 24mA.

  5. Q: Can SN74BCT244N be used for bidirectional communication? A: Yes, SN74BCT244N supports bidirectional communication as it has separate input and output pins for each channel.

  6. Q: What is the purpose of the OE (Output Enable) pin on SN74BCT244N? A: The OE pin is used to enable or disable the outputs of SN74BCT244N. When OE is high, the outputs are enabled, and when OE is low, the outputs are disabled.

  7. Q: Can SN74BCT244N handle high-speed signals? A: Yes, SN74BCT244N is designed to handle high-speed signals with a typical propagation delay of around 9ns.

  8. Q: Is SN74BCT244N compatible with TTL (Transistor-Transistor Logic) inputs? A: Yes, SN74BCT244N is compatible with both TTL and CMOS (Complementary Metal-Oxide-Semiconductor) inputs.

  9. Q: Can SN74BCT244N be used in automotive applications? A: Yes, SN74BCT244N is suitable for automotive applications as it can operate within the required voltage range and temperature range (-40°C to 85°C).

  10. Q: What are some common applications of SN74BCT244N? A: SN74BCT244N is commonly used in various technical solutions such as bus drivers, memory address drivers, clock drivers, and general-purpose level shifting applications.

Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.