74hc14 Oscillator Calculator [2021] -

The capacitor charges through the resistor until it reaches the IC’s upper threshold voltage ( cap V sub cap T plus end-sub

f≈1.2R×Cf is approximately equal to the fraction with numerator 1.2 and denominator cap R cross cap C end-fraction : Frequency in Hertz (Hz) : Resistance in Ohms ( Ωcap omega : Capacitance in Farads (F) 74hc14 oscillator calculator