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SN74LVC244ADWRE4
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SN74LVC244ADWRE4

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low Voltage, CMOS Logic, Octal Bus Buffer
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: High-speed, low-power buffer with 3-state outputs
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • Input Voltage Range: 0V to VCC
  • Output Voltage Range: 0V to VCC
  • Maximum Operating Frequency: 80MHz
  • Number of Buffers/Drivers: 8
  • Output Current: ±24mA
  • Propagation Delay Time: 2.9ns (Max) at 3.3V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC244ADWRE4 has a total of 20 pins, which are assigned as follows:

  • Pin 1: Output Enable (OE)
  • Pins 2 to 9: Data Inputs (D0 to D7)
  • Pins 10 to 17: Data Outputs (Q0 to Q7)
  • Pin 18: Ground (GND)
  • Pin 19: Supply Voltage (VCC)
  • Pin 20: Output Enable (OE)

Functional Features

  • High-Speed Operation: The SN74LVC244ADWRE4 operates at high frequencies, making it suitable for applications requiring fast data transfer.
  • Low Power Consumption: This IC is designed to consume minimal power, making it energy-efficient.
  • 3-State Outputs: The 3-state outputs allow the device to be connected to a bus, enabling multiple devices to share the same communication lines.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Low power consumption reduces energy usage. - 3-state outputs enable bus sharing, optimizing system design.

Disadvantages: - Limited supply voltage range may restrict compatibility with certain systems. - Propagation delay time may impact timing-sensitive applications.

Working Principles

The SN74LVC244ADWRE4 is a buffer/line driver IC that amplifies and buffers digital signals. It operates using CMOS logic, which provides low power consumption and high noise immunity. The device takes input signals from the data inputs (D0 to D7) and amplifies them to the corresponding data outputs (Q0 to Q7). The output enable (OE) pin controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74LVC244ADWRE4 can be used in various applications, including:

  1. Microcontroller Interfacing: It can be used to interface microcontrollers with external devices, such as sensors, displays, and memory modules.
  2. Data Communication Systems: The IC can be employed in data communication systems to amplify and buffer signals between different components, ensuring reliable data transmission.
  3. Industrial Automation: It finds application in industrial automation systems where it helps in signal conditioning and level shifting.
  4. Automotive Electronics: The IC can be utilized in automotive electronics for signal buffering and driving applications.

Detailed and Complete Alternative Models

  1. SN74LVC244APWR: This variant comes in a TSSOP package and has similar specifications and features.
  2. SN74LVC244ADGVR: This model is available in a TVSOP package and offers the same functionality as the SN74LVC244ADWRE4.
  3. SN74LVC244ARGYR: This alternative is packaged in a VQFN package and provides the same buffer capabilities.

These alternative models can be considered based on specific requirements, package preferences, and availability.

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Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi SN74LVC244ADWRE4 dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of SN74LVC244ADWRE4 in technical solutions:

  1. Q: What is SN74LVC244ADWRE4? A: SN74LVC244ADWRE4 is a non-inverting octal buffer and line driver with 3-state outputs, commonly used in digital logic applications.

  2. Q: What is the voltage supply range for SN74LVC244ADWRE4? A: The voltage supply range for SN74LVC244ADWRE4 is typically between 1.65V and 5.5V.

  3. Q: What is the maximum output current that SN74LVC244ADWRE4 can drive? A: SN74LVC244ADWRE4 can drive up to 24mA of output current per channel.

  4. Q: Can SN74LVC244ADWRE4 be used as a level shifter? A: Yes, SN74LVC244ADWRE4 can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many input/output channels does SN74LVC244ADWRE4 have? A: SN74LVC244ADWRE4 has 8 input/output channels.

  6. Q: What is the propagation delay of SN74LVC244ADWRE4? A: The propagation delay of SN74LVC244ADWRE4 is typically around 3.7ns.

  7. Q: Can SN74LVC244ADWRE4 be used in high-speed applications? A: Yes, SN74LVC244ADWRE4 is designed for high-speed operation and can be used in applications with fast switching requirements.

  8. Q: Does SN74LVC244ADWRE4 have built-in ESD protection? A: Yes, SN74LVC244ADWRE4 has built-in ESD protection to safeguard against electrostatic discharge.

  9. Q: Can SN74LVC244ADWRE4 be used in bidirectional data transfer applications? A: Yes, SN74LVC244ADWRE4 supports bidirectional data flow and can be used for both input and output operations.

  10. Q: What is the package type for SN74LVC244ADWRE4? A: SN74LVC244ADWRE4 is available in a standard SOIC-20 package.

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