Multisim and Ultiboard

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74ls163 issues

I don't know if anybody else has had this issue but I am working on a school project involving the 74ls163. I hook up the load of the 63 to a seven segment common cathode. Like it is supposed to, it counts to 9 but it doesn't reset properly like it should. Instead it counts to 9 and it shuts off and doesn't reset the count. I was wondering if anybody had a solution quickly because I am failing my class with a c and need help that my stupid teacher won't provide.


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It is an issue in your logic, you are loading 16 after 9, instead of zero. See attached picture.



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