Schematic driven placement method and program product for...

Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design

Reexamination Certificate

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C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

07082595

ABSTRACT:
A physical device layout tool and method. The method and tool receive a user provided schematic with circuit data and placement parameters, including defaults. Further inputs include a definition of cell physical position in the horizontal direction, a definition of the cell's vertical stacking level, a definition of the cell orientation, a specification of vertical alignment of multiple cell instances, and a definition of vertical spacing between 2 adjacent cell instances. These input parameters are used to generate a layout with the placed circuit elements.

REFERENCES:
patent: 5768479 (1998-06-01), Gadelkarim et al.
patent: 5872952 (1999-02-01), Tuan et al.
patent: 6496715 (2002-12-01), Lee et al.
patent: 2005/0028113 (2005-02-01), Lin et al.

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