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SN74LVC244ADGVR
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SN74LVC244ADGVR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Buffer/Line Driver
  • Characteristics: Low-Voltage CMOS Octal Buffer/Line Driver with 3-State Outputs
  • Package: TSSOP-20
  • Essence: This IC is designed to provide high-speed, low-power buffering and line driving capabilities for various digital systems.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.65V to 5.5V
  • High-Level Input Voltage: 2V to VCC + 0.5V
  • Low-Level Input Voltage: -0.5V to 0.8V
  • High-Level Output Voltage: 2.4V (min) at IOH = -12mA
  • Low-Level Output Voltage: 0.4V (max) at IOL = 24mA
  • Maximum Operating Frequency: 80MHz
  • Propagation Delay: 3.7ns (typical)
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74LVC244ADGVR has a TSSOP-20 package with the following pin configuration:

__ __ A1 | 1 20 | VCC B1 | 2 19 | OE# A2 | 3 18 | Y1 B2 | 4 17 | A8 A3 | 5 16 | Y2 B3 | 6 15 | A7 A4 | 7 14 | Y3 B4 | 8 13 | A6 GND| 9 12 | Y4 A5 |10 11 | A5 ‾‾ ‾‾

Functional Features

  • Octal buffer/line driver with 3-state outputs
  • Supports both TTL and CMOS voltage levels
  • Provides non-inverting level shifting and line driving capabilities
  • High-speed operation with low power consumption
  • 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - High-speed operation enables efficient data transfer - Low power consumption for energy-efficient designs - 3-state outputs facilitate bus sharing in multi-device systems

Disadvantages: - Limited output current capability may restrict use in high-current applications - TSSOP package may require careful handling during assembly

Working Principles

The SN74LVC244ADGVR operates as an octal buffer/line driver. It takes input signals and provides non-inverted, buffered outputs. The device supports both TTL and CMOS voltage levels, making it compatible with a wide range of digital systems. The 3-state outputs allow the device to be connected to a common bus, enabling multiple devices to share the same communication lines.

Detailed Application Field Plans

The SN74LVC244ADGVR is commonly used in various applications, including:

  1. Microprocessor-based systems: The IC can be used to interface microprocessors with peripheral devices, such as memory chips or input/output modules.
  2. Communication systems: It can be employed in data transmission circuits to amplify and buffer signals between different components.
  3. Industrial automation: The device finds application in control systems, where it helps drive actuators and sensors.
  4. Automotive electronics: The IC can be utilized in automotive systems for signal buffering and level shifting purposes.
  5. Consumer electronics: It is suitable for use in devices like televisions, set-top boxes, and gaming consoles to interface different components.

Detailed and Complete Alternative Models

  1. SN74LVC244APWR: TSSOP-20 package, same functionality as SN74LVC244ADGVR
  2. SN74LVC244ADBQR: SSOP-20 package, same functionality as SN74LVC244ADGVR
  3. SN74LVC244ARGYR: VQFN-20 package, same functionality as SN74LVC244ADGVR

These alternative models provide similar features and performance characteristics as the SN74LVC244ADGVR, allowing designers to choose the most suitable option for their specific requirements.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق SN74LVC244ADGVR في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of SN74LVC244ADGVR:

  1. Q: What is SN74LVC244ADGVR? A: SN74LVC244ADGVR is a specific type of integrated circuit (IC) known as a buffer/line driver. It is commonly used for signal buffering and level shifting in digital circuits.

  2. Q: What is the voltage range supported by SN74LVC244ADGVR? A: SN74LVC244ADGVR supports a voltage range of 1.65V to 5.5V, making it compatible with a wide variety of digital systems.

  3. Q: How many channels does SN74LVC244ADGVR have? A: SN74LVC244ADGVR has 8 channels, meaning it can handle up to 8 different input/output signals.

  4. Q: What is the maximum data rate supported by SN74LVC244ADGVR? A: SN74LVC244ADGVR can support data rates up to 80 Mbps, making it suitable for high-speed digital communication applications.

  5. Q: Can SN74LVC244ADGVR be used for bidirectional communication? A: Yes, SN74LVC244ADGVR supports bidirectional communication, allowing data to be transmitted and received on the same channel.

  6. Q: What is the output drive strength of SN74LVC244ADGVR? A: SN74LVC244ADGVR has a typical output drive strength of ±24 mA, ensuring reliable signal transmission even over longer distances.

  7. Q: Is SN74LVC244ADGVR tolerant to bus contention? A: Yes, SN74LVC244ADGVR has built-in bus contention detection and isolation, preventing conflicts when multiple devices try to drive the same bus.

  8. Q: Can SN74LVC244ADGVR be used in automotive applications? A: Yes, SN74LVC244ADGVR is qualified for automotive applications and meets the necessary standards for reliability and performance in automotive environments.

  9. Q: Does SN74LVC244ADGVR have any power-saving features? A: Yes, SN74LVC244ADGVR incorporates power-saving features such as a low-power standby mode and a wide supply voltage range, helping to conserve energy.

  10. Q: What package options are available for SN74LVC244ADGVR? A: SN74LVC244ADGVR is available in various package options, including TSSOP (Thin Shrink Small Outline Package) and VTVSOP (Very Thin Very Small Outline Package), providing flexibility for different PCB layouts and space constraints.

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