Computer-aided design and analysis of circuits and semiconductor – Nanotechnology related integrated circuit design
Reexamination Certificate
2007-05-15
2007-05-15
Dinh, Paul (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Nanotechnology related integrated circuit design
C716S030000, C716S030000, C716S030000
Reexamination Certificate
active
11007891
ABSTRACT:
A method for supporting the register-transfer-level (RTL) design of a semiconductor integrated circuit, includes reading an RTL description related to the semiconductor integrated circuit into a first memory, the RTL description including a description of a compound block containing a mixture of combinational and non-combinational circuits, analyzing the RTL description, extracting a description of the non-combinational circuit from the compound block description, reading an RTL library into a second memory, comparing the logic of the extracted non-combinational circuit description with the logic of each cell of the RTL library, and in accordance with to a result of the comparison, replacing the extracted non-combinational circuit description with a cell of the RTL library having the same logic as the logic of the extracted non-combinational circuit description. The method may further includes comparing the logics of combinational circuits described in the RTL description with one another and rewriting the RTL description if there are a plurality of combinational circuits of the same logic.
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Dinh Paul
Kabushiki Kaisha Toshiba
Kilpatrick & Stockton LLP
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