Quad Timer

The KA558 KA558B series are monolithic Quad Timers which CAN be used to produce four entirely independent tim- ing functions. These highly stable, general purpose con- trollers CAN be used in a monostable mode to produce accurate time delays, from microseconds to hours. The time is precisely controlled by one external resistor and one capacitor in the time delay mode. A stable mode CAN be oper- ated using two of four time sections. By Fairchild Semiconductor
KA558 's PackagesKA558 's pdf datasheet
KA558BD SOP
KA558D2 SOP




KA558 Pinout, Pinouts
KA558 pinout,Pin out
This is one package pinout of KA558,If you need more pinouts please download KA558's pdf datasheet.

KA558 circuits will be updated soon..., now you can download the pdf datasheet to check the circuits!

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