| 摘要 |
PROBLEM TO BE SOLVED: To achieve characteristics of an analog circuit to suppress an external noise and to shorten a layout design period. SOLUTION: A layout design device has element characteristic information 1, circuit connection information 2, process information 3, layout information 4, an analog core and function block division means 5, an optimizing means 6 based on a floor plan, a function block synthesizing means 7, an analog core arranging means 8, a wiring means 9 of signal wiring, a wiring means 10 of power supply wiring, and layout data 11. COPYRIGHT: (C)2005,JPO&NCIPI
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