I²C Pull-Up Resistance Window

How to use this tool

1. Enter the labeled inputs in the indicated units.
2. Calculate and compare every output against the stated model assumptions.

Try this example

{
  "s": 3.3,
  "vol": 0.4,
  "i": 0.003,
  "tr": 3e-7,
  "c": 1e-10
}

Accuracy and scope

Use limits from actual devices and operating mode; a negative window means these assumptions have no solution. Simplified analytical model; not a design recommendation or safety certification.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.