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SN74LVTH245ADWRG4
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SN74LVTH245ADWRG4

Overview

  • Category: Integrated Circuit (IC)
  • Use: Level Shifter and Bus Transceiver
  • Characteristics: High-speed, low-voltage, and low-power consumption
  • Package: SOIC (Small Outline Integrated Circuit)
  • Essence: Bi-directional voltage level translator
  • Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

  • Supply Voltage Range: 2.7V to 3.6V
  • Logic Voltage Levels: 1.65V to 3.6V
  • Input/Output Compatibility: 5V TTL/CMOS
  • Number of Channels: 8
  • Maximum Data Rate: 400 Mbps
  • Operating Temperature Range: -40°C to +85°C

Pin Configuration

The SN74LVTH245ADWRG4 has a total of 20 pins, which are assigned as follows:

  1. OE (Output Enable) 1
  2. A1 (Data Input/Output) 1
  3. B1 (Data Input/Output) 1
  4. A2 (Data Input/Output) 2
  5. B2 (Data Input/Output) 2
  6. A3 (Data Input/Output) 3
  7. B3 (Data Input/Output) 3
  8. GND (Ground)
  9. B4 (Data Input/Output) 4
  10. A4 (Data Input/Output) 4
  11. B5 (Data Input/Output) 5
  12. A5 (Data Input/Output) 5
  13. B6 (Data Input/Output) 6
  14. A6 (Data Input/Output) 6
  15. B7 (Data Input/Output) 7
  16. A7 (Data Input/Output) 7
  17. B8 (Data Input/Output) 8
  18. A8 (Data Input/Output) 8
  19. VCC (Supply Voltage)
  20. OE (Output Enable) 2

Functional Features

  • Bi-directional voltage level translation between 5V and 3.3V systems
  • Supports bidirectional data transfer with direction control
  • Provides voltage-level shifting without a direction pin
  • High-speed operation for efficient data transmission
  • Low power consumption for energy-efficient applications
  • ESD protection on all inputs and outputs for enhanced reliability

Advantages

  • Wide supply voltage range allows compatibility with various systems
  • High-speed operation enables fast data transfer
  • Low-voltage operation reduces power consumption
  • ESD protection ensures robustness and reliability
  • Bi-directional functionality simplifies circuit design

Disadvantages

  • Limited to specific voltage level translation (5V to 3.3V)
  • Not suitable for applications requiring different voltage translations
  • May not be compatible with systems operating outside the specified temperature range

Working Principles

The SN74LVTH245ADWRG4 is designed to translate logic levels between 5V and 3.3V systems. It utilizes a combination of MOSFETs and CMOS technology to achieve bi-directional voltage level translation. The device operates by monitoring the input voltage levels and adjusting the output voltage levels accordingly, ensuring seamless communication between different voltage domains.

Application Field Plans

The SN74LVTH245ADWRG4 is commonly used in various applications, including:

  1. Microcontroller interfacing
  2. Data communication systems
  3. Industrial automation
  4. Automotive electronics
  5. Consumer electronics

Alternative Models

  1. SN74LVC245A: Similar functionality but operates at lower voltage levels (1.65V to 3.6V)
  2. SN74LVTH16245A: 16-channel version of the level shifter
  3. SN74LVC1T45: Single-channel level shifter for low-power applications

These alternative models provide similar voltage level translation capabilities and can be considered based on specific application requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av SN74LVTH245ADWRG4 i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of SN74LVTH245ADWRG4:

  1. Q: What is SN74LVTH245ADWRG4? A: SN74LVTH245ADWRG4 is a bidirectional octal bus transceiver with 3-state outputs, designed for low-voltage (3.3V) applications.

  2. Q: What is the purpose of SN74LVTH245ADWRG4? A: SN74LVTH245ADWRG4 is used to enable bidirectional level translation between different voltage domains in digital systems.

  3. Q: What is the maximum operating voltage for SN74LVTH245ADWRG4? A: The maximum operating voltage for SN74LVTH245ADWRG4 is 3.6V.

  4. Q: How many channels does SN74LVTH245ADWRG4 have? A: SN74LVTH245ADWRG4 has 8 bidirectional channels.

  5. Q: What is the output drive strength of SN74LVTH245ADWRG4? A: SN74LVTH245ADWRG4 has a typical output drive strength of ±12mA.

  6. Q: Can SN74LVTH245ADWRG4 be used for level shifting between 5V and 3.3V systems? A: Yes, SN74LVTH245ADWRG4 can be used for level shifting between 5V and 3.3V systems as it supports both voltage levels.

  7. Q: Does SN74LVTH245ADWRG4 have built-in ESD protection? A: Yes, SN74LVTH245ADWRG4 has built-in ESD protection on all pins, making it more robust against electrostatic discharge.

  8. Q: What is the maximum data rate supported by SN74LVTH245ADWRG4? A: SN74LVTH245ADWRG4 can support data rates up to 400Mbps.

  9. Q: Can SN74LVTH245ADWRG4 be used in hot-swapping applications? A: Yes, SN74LVTH245ADWRG4 supports hot-swapping, allowing for safe insertion and removal of devices while the system is powered.

  10. Q: Is SN74LVTH245ADWRG4 available in different package options? A: Yes, SN74LVTH245ADWRG4 is available in various package options, such as SOIC, TSSOP, and TVSOP, to suit different PCB layouts and assembly requirements.

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