Simple I2C pull-up range: both limits matterEntered / calculatedExampleLow-level limit(3.3 - 0.4) V / 3 mA = 966.7 ΩRise-time limit300 ns / (0.8473 x 200 pF) = 1770 ΩCandidate1500 Ω inside this modeled intervalPredicted rise0.8473 x 1500 Ω x 200 pF = 254.2 ns