SCLA025B December   2019  – March 2021 SN74LVC1G08

 

  1. 1Trademarks
  2. 2Block Diagram
  3. 3Optimizing Communication with Wireless Interfaces
    1. 3.1 SDIO Voltage Translation
    2. 3.2 UART Voltage Translation
  4. 4Logic and Translation Use Cases
    1. 4.1 Logic Use Cases
      1. 4.1.1 Drive Indicator LEDs
      2. 4.1.2 Power Sequencing: Combine Power Good Signals
      3. 4.1.3 Debounce Switches and Buttons
      4. 4.1.4 Tamper Detection: Latching Alarm Circuit with Reset
    2. 4.2 Voltage Translation Use Cases
      1. 4.2.1 SPI Communication
      2. 4.2.2 SD Card Communication
  5. 5Recommended Logic and Translation Families for HVAC Gateways
    1. 5.1 AUP: Advanced Ultra-Low-Power CMOS Logic and Translation
    2. 5.2 AXC: Advanced eXtremely Low-Voltage CMOS Translation
    3. 5.3 LVC: Low-Voltage CMOS Logic and Translation
  6. 6Revision History

4.2.2 SD Card Communication

GUID-A4025B41-B2F0-4E44-B7F2-D104C4EF3224-low.gifFigure 4-7 Using Voltage Translation with an SD Card Communication Bus
  • Enable communication when devices have mismatched logic voltage levels.
  • Prevent damage to devices that cannot support higher voltage inputs.
  • Improve data rates over discrete translation solutions.
  • Protect controller while SD Card is not connected.
  • Find the right voltage level translator through the online parametric search tool.