Digital Electronics: Principles, Devices and Applications

368 Digital Electronics+V CC555R 17 8 4 3v oDR 22,65 1C0.01(c)+V CC4 83v o5557R 2R 15 12,60.01C(d)Figure 10.10(continued).terminal 2 to make the output go to the HIGH state again. Every time the timer is appropriately triggered,the output goes to the HIGH state and stays there for the time it takes the capacitor to charge from0to+2V CC /3. This time period, which equals the monoshot output pulse width, is given by the equationT = 11RC (10.14)