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Technical Article

What is IC555?

Time:2019-08-05 17:15:53 Click:

The IC 555 is one of the most popular and most widely used IC’s, which combines analog circuit and digital circuit skillfully,  and popularly known as the 555 Timer, was developed by Hans Camenzind of Signetic Corporation in the year 1971.






1. It can be operated at a wide range of power supplies ranging from 5 V to 18 V;

2. It is available in 3 different packages: 8-pin Metal Can package, 8-pin DIP and 14-pin DIP;

3. High output current;

4. It has an adjustable duty cycle;

5. The output can source or sink a current of 200mA to the load, etc.



Pin Configuration of 555 Timer







1.Pulse Generation

2.Time Delay Generation

3.Precision Timing

4.Sequential Timing

5.Pulse Width Modulation (PWM)





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