Computer-aided design and analysis of circuits and semiconductor – Integrated circuit design processing – Physical design processing
Reexamination Certificate
2011-08-30
2011-08-30
Do, Thuan (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Integrated circuit design processing
Physical design processing
C716S122000, C716S126000
Reexamination Certificate
active
08010925
ABSTRACT:
The invention relates to a method and a system for placing electric circuits in integrated circuit chip design. Specifically, the invention encompasses performing a global placement step placing the cells into bins on the chip, as well as a detailed placement process which arranges the cells in the bins to obtain a legal arrangement while generating simply connected free space for routing channels.
REFERENCES:
patent: 6068662 (2000-05-01), Scepanovic et al.
patent: 6904584 (2005-06-01), Brenner et al.
patent: 2001/0010090 (2001-07-01), Boyle et al.
patent: 2003/0217338 (2003-11-01), Holmes et al.
Buehler Markus
Koehl Juergen
Augspurger Lynn L.
Campbell John E.
Dimyan Magid Y
Do Thuan
International Business Machines - Corporation
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