Please help me design a "Multi-digit counter"

Wifilee said:

thanks , the output should connect to both load input right ? Actually i know RS flip -flop is a reset button , but why i cannot get RS flip-flop in multisim ? i checked all the 74 series ,but don have ,or RS flip-flop not in 74 series?

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hdc090360 said:

Have a look at this website.

Electronics Tips: Contact Bounce and De-Bouncing

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Wifilee said:

i use RS flip -flop , i was connected the Q output go to load input ,but still got error come out , then how about the ~Q output ? no need connect?

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