Integrated circuit device and layout design method therefor
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United States of America Patent
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Sep 14, 2010
Grant Date -
Jul 30, 2009
app pub date -
Dec 19, 2008
filing date -
Dec 21, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
An integrated circuit device has multiple first circuit elements arranged in a first area. A signal distribution circuit that has multiple drive circuits is connected in the form of a tree structure and that distributes a common signal that is input to the starting point of said tree structure to each of the multiple first circuit elements through the same number of levels of drive circuits. At least some of the drive circuits of the tree structure are arranged one each in each of multiple second areas into which the first area is divided to include approximately the same number of the first circuit elements, and the common signal is supplied to the first circuit elements included in the second area where they are arranged.
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