| 摘要 |
In a synchronous integrated circuit including a plurality of functional blocks, the plurality of functional blocks are divided into a plurality of segments. Each of the segments is further divided into classes whose number is dependent upon the density of the functional blocks within each of the segments. A distribution of the functional blocks allocated to one class is homogeneous within the segment to which the class belongs, and one clock buffer is allocated at a substantial center position of the functional blocks within the class.
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