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How to optimize this circuit?

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shaq

shaq

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set_structure -timing true

Dear all,

How to optimize this circuit?

Thanks for your help!!!!
 

how to optimize a circuit

you can draw a truth table and optimize
 

Is the logic equal after adding redudant wire?

regards
/David

Added after 15 minutes:

Ok, i found one paper may help you and us.

regards
/David
 

    shaq

    shaq

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another methode is to use DC tool. The tool can automatically optimize combinational logic with command " set_structure -boolean true".



Regards
/David
 

set_structure true is the default option when compiling with DC, you can set_flatten true before compling and you'll get a two-level logic in structure sum-of-product
 

Thanks David for posting the paper.

Does any body have some good books regarding logic optimization??

thanks
pra

Added after 24 minutes:

The logic for O2 in the above circuit will not be equal after adding the redundant wire.
I hope the inputs are to be changed....
does anybody solved this one!!! if so then plz share with us :)
thanks
pra
 

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