74hc14 Oscillator Calculator _top_ < 2026 Edition >

The simple oscillator above works but has a slow rising edge due to RC. For a sharper output, add a second inverter as a buffer:

f is approximately equal to the fraction with numerator 1 and denominator 0.8 center dot cap R center dot cap C end-fraction : Frequency in Hertz (Hz) : Resistance in Ohms ( : Capacitance in Farads (F) Alternative Estimation: Some sources use for a rougher, "rule of thumb" calculation. 2. Component Selection Guide 74hc14 oscillator calculator