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Plz help plz...

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New Member
Hi mates I m newbie here...Here I got some questions and hope someone kind can help me.I really no idea even I study it for whole day that's why I need help...please....

The Question is,do you know the 4516B Cmos IC binary up-down counter??If yes can you plz let me know what's the use of pin5(carry in),pin7(carry out),pin 10(UP/DOWN),pin1 (Preset Enable) and pin 9(MR)??

I had study the datasheet but it just explain briefly and I can't understood.

If can plz go to


and look through the circuit.I m now building this circuit and still can't understood it and I hope someone kind can help me,is it OK?

Sorry to bother ya...


New Member
Explanation sent via pm

Please only post in one forum.

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