Datasheet and Circuit Diagram, Posted by: admindata at April 29th, 2010
The logic diagram of the CD4538BC Dual Precision Monostable is shown in the following schematic diagram. This IC such a dual, precision monostable multivibrator with independent trigger and controls, according to the datasheet. This CD4538BC IC features wide supply voltage range, wide pulse-width range, low standby current, high noise immunity and more.
What you will find in the depth of the CD4538BC datasheet are details about Trigger Operation (as seen in the schematic), Retrigger Operation (Retriggerable Monostables Circuitry), Reset Operation, Switching Test Circuit, and Power Dissipation Test Circuit and Waveforms.
Detailed CD4538BC Dual Precision Monostable can be seen in the pdf datasheet (source: fairchildsemi.com).
Hi, this is a great design. i want to connect 4 or 5 NE555 chips instead of three. What would the value for capacitor C(d) be and how do you calculate it?
Also, if I want to control the speed of the timer, can I replace the 100KOhm resistors with a pot?
Thank you kindly.