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What is meant by multi-cycle path?

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bala9383

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what is meant by multi-cycle path?
 

Re: synthesis

Let us say, you have a huge combinational logic between two flops in your design. If this combo logic take more time than your clock period, then this can be considered a multi cycle path, provided this doesn't violate the functionality of the design.

Eg. Clock Period is 10ns, Combinational delay is 16ns. In this case, if it is acceptable for the functionality, you can define a multi cycle path of 2.

Naveen
http://vlsiforum.com
 

    bala9383

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synthesis

its a path taking more than one clock cycle to get the output
 

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