semiconductor.tools — Free Engineering Calculators

Inputs

I²C Mode

V_CC (V)

V_OL(max) (V)

I_OL(max) (mA)

Use capacitance wizard

Bus Capacitance C_b (pF)

R_p(min): R_p ≥ (V_CC - V_OL) / I_OL

R_p(max): From t_r = 0.8473 × R_p × C_b → R_p = t_r / (0.8473 × C_b)

Based on TI SLVA689 application note. E24 resistor series used for standard values.