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IC Timers

About IC Timers

IC timers are semiconductor circuits that generate or set timing for electronics circuits. IC timers are programmable timer chips. These timer chips function as single or multi function units. An IC timer working is based on an external capacitor for determining on and off intervals in the output pulse. IC timers can work as up direction, down direction, or bi-direction. Timer chips differ in their function based on their counting sequence. In an up direction function of an IC timer, the counter of the semiconductor timer can advance forward in the counting sequence. In a down counter function of an IC timer, the counter of the semiconductor chip can advance backward in the backward direction while in the bi-direction function, the semiconductor chip can set the counter for either forward or backward counting sequence. There are many different types of IC timers. Examples include a microPC1555 and a microPC617. A MicroPC1555 timer chip is used as a timing signal generator and can act as a stable and monostable generators. A MicroPC617 timer chip is used for driving lamps and relays and can act as a timing signal generator for this purpose. Other IC timers are commonly available.


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