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74LVTH2240SJ
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74LVTH2240SJ

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Logic Level Translator
  • Characteristics: High-speed, low-power, voltage-level shifting
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Translates logic levels between different voltage domains
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 2.7V to 3.6V
  • Logic Voltage Levels: 1.5V to 5.5V
  • Input/Output Compatibility: TTL, CMOS
  • Number of Channels: 8
  • Output Drive Capability: ±24mA
  • Propagation Delay: 4.5ns (typical)

Detailed Pin Configuration

The 74LVTH2240SJ has a total of 20 pins, which are arranged as follows:

+---+--+---+ A1 -|1 +--+ 20|- VCC B1 -|2 |- B2 A2 -|3 |- GND B3 -|4 |- A3 A4 -|5 |- B4 B5 -|6 |- A5 GND -|7 |- B6 OE -|8 |- A6 Y1 -|9 |- B7 GND -|10 |- A7 Y2 -|11 |- B8 A8 -|12 |- GND Y3 -|13 |- OE# GND -|14 |- Y4 Y5 -|15 |- A9 A10 -|16 |- Y6 B9 -|17 |- GND A11 -|18 |- Y7 B10 -|19 |- A12 +--+---+--+

Functional Features

  • Logic level translation between different voltage domains
  • Bidirectional data flow
  • High-speed operation
  • Low power consumption
  • Output drive capability for driving capacitive loads

Advantages and Disadvantages

Advantages: - Wide supply voltage range - Compatibility with TTL and CMOS logic levels - Fast propagation delay - High output drive capability

Disadvantages: - Limited number of channels (8) - Requires external pull-up or pull-down resistors for proper operation

Working Principles

The 74LVTH2240SJ is a logic level translator that allows communication between devices operating at different voltage levels. It utilizes a combination of MOSFETs and CMOS technology to achieve bidirectional voltage-level shifting. The device operates by monitoring the input voltage levels and translating them to the corresponding output voltage levels, ensuring compatibility between different logic families.

Detailed Application Field Plans

The 74LVTH2240SJ finds applications in various fields where logic level translation is required. Some common application areas include: - Microcontroller interfacing - Communication systems - Data acquisition systems - Industrial automation - Consumer electronics

Detailed and Complete Alternative Models

  • SN74LVC1T45: Single-bit level translator with automatic direction sensing
  • TXB0108: 8-bit bidirectional voltage-level translator with automatic direction control
  • PCA9306: Dual bidirectional I2C-bus and SMBus voltage-level translator

These alternative models offer similar functionality and can be used as substitutes for the 74LVTH2240SJ in different applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av 74LVTH2240SJ i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of 74LVTH2240SJ in technical solutions:

  1. Q: What is the 74LVTH2240SJ? A: The 74LVTH2240SJ is a 8-bit buffer/line driver with 3-state outputs, commonly used in digital logic circuits.

  2. Q: What is the voltage supply range for the 74LVTH2240SJ? A: The voltage supply range for the 74LVTH2240SJ is typically between 2.7V and 3.6V.

  3. Q: What is the maximum output current of the 74LVTH2240SJ? A: The maximum output current of the 74LVTH2240SJ is typically around 32mA.

  4. Q: Can the 74LVTH2240SJ be used as a level shifter? A: Yes, the 74LVTH2240SJ can be used as a level shifter to convert signals between different voltage levels.

  5. Q: How many inputs and outputs does the 74LVTH2240SJ have? A: The 74LVTH2240SJ has 8 inputs and 8 outputs.

  6. Q: What is the purpose of the 3-state outputs in the 74LVTH2240SJ? A: The 3-state outputs allow multiple devices to share a common bus without interfering with each other.

  7. Q: Can the 74LVTH2240SJ be used in high-speed applications? A: Yes, the 74LVTH2240SJ is designed for high-speed operation and can be used in such applications.

  8. Q: Does the 74LVTH2240SJ have built-in protection against overvoltage? A: No, the 74LVTH2240SJ does not have built-in protection against overvoltage. External measures may be required.

  9. Q: Can the 74LVTH2240SJ drive capacitive loads? A: Yes, the 74LVTH2240SJ can drive capacitive loads, but it is recommended to follow the datasheet guidelines for proper operation.

  10. Q: What is the package type of the 74LVTH2240SJ? A: The 74LVTH2240SJ is available in a small outline (SO) package with 20 pins.

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