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

2 Block Diagram

GUID-81B2C8D1-ACDD-4A56-A47D-FDEDA07E9322-low.gifFigure 2-1 Simplified Block Diagram for HVAC Gateways

For the purpose of this report, a simplified HVAC gateway system block diagram is used to illustrate the logic and translation use cases, see Figure 2-1. For a more complete view, see the interactive online end equipment reference diagram for HVAC gateway.