CD74HC123: “K” FACTOR

Hi Shotaro,

The variance with temp is hard to determine. In general Tw is going to vary as it is dependent on Rext and Cext which will change a lot. The best way is just to use the equation to estimate values for your resistors and capacitors. You can refer to this FAQ: https://e2e.ti.com/support/logic-group/logic/f/logic-forum/864007/faq-how-do-you-determine-the-output-pulse-width-and-the-k-value-for-a-monostable-multivibrator