Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2007-12-06
2010-11-09
Siek, Vuthe (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000, C716S030000, C716S030000
Reexamination Certificate
active
07831950
ABSTRACT:
Disclosed is a method including a step for selecting a component, a step for preparing a timing database including terminal information, input/output attribute and AC specifications of the component selected, a step for creating a circuit diagram from circuit design information, a step for extracting connection information and performing timing verification, when component connection has been determined, a step for performing layout design including the placement and routing of the components, a step for extracting wiring lengths of a data line and a clock line for the components from a net list and the layout information to derive the wiring delay time of the data and clock lines, a step for checking, from the wiring delay time derived, whether or not a timing constraint for the component is met.
REFERENCES:
patent: 7398500 (2008-07-01), Gupta et al.
patent: 7444612 (2008-10-01), Ariyama et al.
patent: 2008/0141183 (2008-06-01), Kumagai
patent: 2008/0141205 (2008-06-01), Kumagai
patent: 07056980 (1995-03-01), None
patent: 2004046975 (2004-03-01), None
Dimyan Magid Y
NEC Corporation
Siek Vuthe
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