| 摘要 |
PROBLEM TO BE SOLVED: To achieve efficiency of design task of a circuit.SOLUTION: A CAD device 101 comprises an ECO-DOT cell D and plural ECO cells C1-C4 in a layout area r of a design target circuit, based on layout data of the design target circuit. The ECO-DOT cell D comprises plural input terminal I1-I4, and output terminal Y connected to respective input terminals of the plural input terminals, by wirings having the same length. The CAD device 101 is configured so that, respective output terminals of the plural ECO cells C1-C4 are connected to respective input terminals I1-I4 of the ECO-DOT cell D, by wirings having the same length. |
