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SN74LV244ADBRG4
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SN74LV244ADBRG4

Product Overview

  • Category: Integrated Circuit
  • Use: Buffer/Line Driver
  • Characteristics: Low-voltage, Octal Bus Buffer with 3-State Outputs
  • Package: SSOP (Shrink Small Outline Package)
  • Essence: A high-performance buffer that provides eight independent buffers with 3-state outputs.
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2.3V to VCC
  • Low-Level Input Voltage: GND to 0.8V
  • High-Level Output Voltage: 2.4V to VCC
  • Low-Level Output Voltage: GND to 0.4V
  • Maximum Operating Frequency: 100MHz
  • Propagation Delay Time: 6.5ns (typical)
  • Output Drive Capability: ±24mA

Detailed Pin Configuration

The SN74LV244ADBRG4 has a total of 20 pins, which are arranged as follows:

__ __ 1 |* \__/ *| 20 2 | | 19 3 | | 18 4 | | 17 5 | | 16 6 | | 15 7 | | 14 8 | | 13 9 | | 12 10 |_________| 11

Functional Features

  • Eight independent buffers with 3-state outputs
  • Wide supply voltage range allows compatibility with various systems
  • High-speed operation suitable for demanding applications
  • 3-state outputs enable bus sharing and reduce system power consumption
  • Schmitt-trigger inputs provide hysteresis for improved noise immunity

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows flexibility in system design - High-speed operation enables efficient data transfer - 3-state outputs facilitate bus sharing and reduce power consumption - Schmitt-trigger inputs enhance noise immunity

Disadvantages: - Limited output drive capability compared to some other buffer ICs - May not be suitable for applications requiring higher operating frequencies

Working Principles

The SN74LV244ADBRG4 is a buffer IC that amplifies and buffers digital signals. It operates by receiving input signals on its input pins and providing amplified and buffered output signals on its output pins. The 3-state outputs allow the device to be effectively disconnected from the bus when not in use, reducing power consumption and enabling bus sharing.

Detailed Application Field Plans

The SN74LV244ADBRG4 is commonly 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 buffer IC is suitable for use in data communication systems where signal integrity and high-speed data transfer are crucial.
  3. Industrial automation: It finds application in industrial automation systems for buffering and amplifying control signals.
  4. Automotive electronics: The IC can be used in automotive electronics for signal conditioning and level shifting.

Detailed and Complete Alternative Models

  1. SN74LVC244A: Similar to SN74LV244ADBRG4 but operates at a lower voltage range (1.65V to 3.6V).
  2. SN74HCT244: A higher-speed alternative with TTL-compatible inputs and outputs.
  3. SN74LS244: Offers a wider supply voltage range (4.75V to 5.25V) and higher output drive capability.

These alternative models provide similar functionality but may have different voltage ranges, speed characteristics, or output capabilities to suit specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74LV244ADBRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74LV244ADBRG4 in technical solutions:

  1. Q: What is SN74LV244ADBRG4? A: SN74LV244ADBRG4 is a type of octal buffer and line driver integrated circuit (IC) that can be used for signal buffering and level shifting applications.

  2. Q: What is the voltage supply range for SN74LV244ADBRG4? A: The voltage supply range for SN74LV244ADBRG4 is typically between 2.0V and 5.5V.

  3. Q: What is the maximum output current of SN74LV244ADBRG4? A: The maximum output current of SN74LV244ADBRG4 is typically around 12mA.

  4. Q: Can SN74LV244ADBRG4 be used for bidirectional communication? A: No, SN74LV244ADBRG4 is a unidirectional buffer and line driver, so it is not suitable for bidirectional communication.

  5. Q: What is the maximum operating frequency of SN74LV244ADBRG4? A: The maximum operating frequency of SN74LV244ADBRG4 is typically around 100MHz.

  6. Q: Does SN74LV244ADBRG4 have built-in protection features? A: Yes, SN74LV244ADBRG4 has built-in ESD (electrostatic discharge) protection on its inputs and outputs.

  7. Q: Can SN74LV244ADBRG4 be used with both CMOS and TTL logic levels? A: Yes, SN74LV244ADBRG4 is compatible with both CMOS and TTL logic levels.

  8. Q: What is the package type for SN74LV244ADBRG4? A: SN74LV244ADBRG4 is available in a TSSOP (Thin Shrink Small Outline Package) package.

  9. Q: Can SN74LV244ADBRG4 be used in automotive applications? A: Yes, SN74LV244ADBRG4 is qualified for automotive applications and meets the necessary standards.

  10. Q: Are there any recommended operating conditions for SN74LV244ADBRG4? A: Yes, some of the recommended operating conditions include a temperature range of -40°C to 85°C and a supply voltage within the specified range.

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