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Multi bit FF flop scan enable tied on

Andrea Spiezia

Hi all,

after place, (INNOVUS 17.15) I've a report for Multi bit FF.

Many flops are not merged because "Nonremovable single-bit flip-flop: scan enable tied on".

I don't understand why a flop with scan en. tied on can't be merged with other SE tied on flops.

Can you help me?

Thanks

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