SCLA021A September   2019  – April 2021 SN74HC00 , SN74HCS08-Q1

 

  1.   Trademarks
  2. 1Block Diagram
  3. 2Optimizing Communication with Wireless Interfaces
    1. 2.1 SDIO Voltage Translation
    2. 2.2 SPI Voltage Translation
  4. 3Logic and Translation Use Cases
    1. 3.1 Logic Use Cases
      1. 3.1.1 Drive Indicator LEDs
      2. 3.1.2 Power Sequencing: Combine Power-Good Signals
      3. 3.1.3 Debounce Switches and Buttons
      4. 3.1.4 Latching Alarm Circuit with Reset
      5. 3.1.5 Buffer and Driver: Condition Digital Signals
    2. 3.2 Voltage Translation Use Cases
      1. 3.2.1 SPI Communication
      2. 3.2.2 GPIO Communication
      3. 3.2.3 I2C Communication
      4. 3.2.4 I2S Communication
  5. 4Recommended Logic and Translation Families for Smart Thermostats
    1. 4.1 AUP: Advanced Ultra-Low-Power CMOS Logic and Translation
    2. 4.2 AXC: Advanced eXtremely Low-Voltage CMOS Translation
    3. 4.3 LVC: Low-Voltage CMOS Logic and Translation
  6. 5Revision History

3.1.5 Buffer and Driver: Condition Digital Signals

GUID-A7876891-35D7-4C25-B514-53DB5BA1FD8F-low.gif Figure 3-6 Using Schmitt-Trigger Drivers to Remove Noise or Slow Edges from Digital Signals
  • Removes moderate noise from digital signals.
  • Prevents multiple switching events for CMOS inputs.
  • Speeds up slow input edges to meet input transition rate requirements.
  • See Eliminate Slow or Noisy Input Signals Logic Minute video for more information about this use case.
  • See online parametric search tool. to find the right Schmitt-trigger buffer or inverter.
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