designing synchronous counter

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keung

Joined Dec 2, 2006
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I am designing a synchronous counter , but a problem occur in the karnaugh map, What should I do if the karnaugh map doesn't have any 1, just the 0 and don't care.
 

Papabravo

Joined Feb 24, 2006
13,560
I think it is likely you've made a mistake. Karnaugh maps are no substitute for correct logic design. They are tools to help recognize optimal implementation strategies once the boolean equations have been written in sum of products form. It is not necessarily the best or only minimization technique that you can use.

Can you elaborate on the situation that you describe?
 
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