Abstract:Abstract-In this paper, we introduce a novel substrate noise estimation technique during early floorplanning, based on the concept of Block Preference Directed Graph (BPDG) and the classic Sequence Pair (SP) floorplan representation. Given a set of analog and digital blocks, the BPDG is constructed based on their inherent noise characteristics to capture their preferred relative orders for substrate noise minimization. For each sequence pair generated during floorplanning evaluation, we can measure its violati… Show more
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