Method of designing signal distribution circuit and system for supporting the same
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United States of America Patent
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Apr 29, 2003
Grant Date -
N/A
app pub date -
Oct 19, 2000
filing date -
Oct 22, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a method of designing a signal distribution circuit, a plurality of circuit patterns of buffer circuits and patterns of wiring lines are arranged and connected to have a tree structure. A total delay time from an input of the buffer circuit in the highest layer of the tree structure to an output of each of the buffer circuits in the lowest layer of the tree structure is calculated. Each of the plurality of circuit patterns of the buffer circuits is selectively substituted by one of substitution patterns of substitution buffer circuits such that the total delay times fall within a predetermined range. All the outputs of the buffer circuits in the lowest layer of the tree structure are connected.
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