Nexperia USA Inc.
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74LVC240ADB,112
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74LVC240ADB,112

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Converter
  • Characteristics: Low Voltage CMOS Octal Buffer/Line Driver with 5V Tolerant Inputs and Outputs
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: This IC is designed to convert logic level signals between different voltage levels, making it suitable for interfacing between devices operating at different voltage levels.
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 3.6V
  • High-Level Input Voltage: 0.7 x VCC
  • Low-Level Input Voltage: 0.3 x VCC
  • High-Level Output Voltage: 0.9 x VCC
  • Low-Level Output Voltage: 0.1 x VCC
  • Maximum Operating Frequency: 80 MHz
  • Number of Channels: 8
  • Input/Output Compatibility: 5V TTL/CMOS

Detailed Pin Configuration

  1. GND (Ground)
  2. A1 (Input/Output)
  3. Y1 (Output)
  4. A2 (Input/Output)
  5. Y2 (Output)
  6. A3 (Input/Output)
  7. Y3 (Output)
  8. VCC (Supply Voltage)
  9. Y4 (Output)
  10. A4 (Input/Output)
  11. Y5 (Output)
  12. A5 (Input/Output)
  13. Y6 (Output)
  14. A6 (Input/Output)
  15. Y7 (Output)
  16. A7 (Input/Output)
  17. OE (Output Enable)
  18. Y8 (Output)

Functional Features

  • Bidirectional voltage level conversion
  • 5V tolerant inputs and outputs
  • High-speed operation
  • Low power consumption
  • Schmitt-trigger action on all inputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - 5V tolerance enables interfacing with legacy devices - High-speed operation facilitates fast data transfer - Low power consumption helps in energy-efficient designs - Schmitt-trigger action enhances noise immunity

Disadvantages: - Limited number of channels (8) - Not suitable for high-voltage applications

Working Principles

The 74LVC240ADB,112 is a logic level converter that uses CMOS technology to convert signals between different voltage levels. It operates by detecting the input logic level and translating it to the corresponding output logic level based on the supply voltage. The IC incorporates Schmitt-trigger inputs, which provide hysteresis and improve noise immunity.

Detailed Application Field Plans

  1. Interfacing between microcontrollers operating at different voltage levels
  2. Level shifting in communication interfaces (e.g., UART, I2C, SPI)
  3. Signal conversion in mixed-voltage systems
  4. Voltage translation in battery-powered devices
  5. Logic level conversion in industrial automation systems

Detailed and Complete Alternative Models

  1. SN74LVC240A: Similar functionality, available in different package options
  2. MC74LVC240A: Equivalent logic level converter from a different manufacturer
  3. CD74LVC240: Alternative IC with comparable specifications and pin configuration

Note: This entry provides an overview of the 74LVC240ADB,112 IC. For detailed technical information, please refer to the datasheet provided by the manufacturer.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 74LVC240ADB,112 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of 74LVC240ADB,112 in technical solutions:

  1. Q: What is the 74LVC240ADB,112? A: The 74LVC240ADB,112 is a octal buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the operating voltage range for the 74LVC240ADB,112? A: The operating voltage range for the 74LVC240ADB,112 is typically between 1.65V and 5.5V.

  3. Q: How many inputs and outputs does the 74LVC240ADB,112 have? A: The 74LVC240ADB,112 has 8 inputs and 8 outputs.

  4. Q: What is the maximum output current that the 74LVC240ADB,112 can drive? A: The 74LVC240ADB,112 can drive up to 24mA of output current per channel.

  5. Q: Can the 74LVC240ADB,112 be used for level shifting between different voltage domains? A: Yes, the 74LVC240ADB,112 can be used for level shifting as it supports multiple voltage levels.

  6. Q: Does the 74LVC240ADB,112 have internal pull-up or pull-down resistors? A: No, the 74LVC240ADB,112 does not have internal pull-up or pull-down resistors.

  7. Q: What is the propagation delay of the 74LVC240ADB,112? A: The propagation delay of the 74LVC240ADB,112 is typically around 4.3ns.

  8. Q: Can the 74LVC240ADB,112 be used in high-speed applications? A: Yes, the 74LVC240ADB,112 is designed for high-speed operation and can be used in such applications.

  9. Q: Does the 74LVC240ADB,112 have any built-in ESD protection? A: Yes, the 74LVC240ADB,112 has built-in ESD protection to prevent damage from electrostatic discharge.

  10. Q: What package options are available for the 74LVC240ADB,112? A: The 74LVC240ADB,112 is available in various package options, including SOIC, TSSOP, and HVQFN.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of the 74LVC240ADB,112.