Comprehensive Generation of Hierarchical Placement Rules for Analog Integrated Circuits

  title={Comprehensive Generation of Hierarchical Placement Rules for Analog Integrated Circuits},
  author={Michael Eick and Martin Strasser and Kun Lu and Ulf Schlichtmann and Helmut E. Graeb},
  journal={IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems},
This paper presents a new method to automatically generate hierarchical placement rules, which are crucial for a successful analog placement. The method is based on a novel symmetry computation method, introducing the structural signal flow graph. Five types of proximity, matching and symmetry constraints are determined. According to the priority of the constraint types, a constraint requirement graph and a hierarchical partitioning of the circuit into matching, proximity and symmetry groups is… CONTINUE READING


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