5V design what do you use for i2c pullup resistors?

• 5V design what do you use for i2c pullup resistors?
  Posted by alank2 on 15 Jun, 2020 19:25
• It seems like I've used 1K or 2K, but not sure which is best, or something else - what do you use?
• #1 Reply
  Posted by oPossum on 15 Jun, 2020 19:45
• Best is going to be application dependent. My default values for 400 kHz or less on a PCB are 4k7 for 5V and 2k2 for 3V3.
  
• #2 Reply
  Posted by alank2 on 15 Jun, 2020 20:00
• Sorry, I'm thinking 1MHz.