Computer-aided design and analysis of circuits and semiconductor – Integrated circuit design processing – Physical design processing
Reexamination Certificate
2011-08-16
2011-08-16
Doan, Nghia (Department: 2825)
Computer-aided design and analysis of circuits and semiconductor
Integrated circuit design processing
Physical design processing
C716S100000, C716S101000, C716S106000, C716S107000, C716S108000, C716S110000, C716S111000, C716S112000, C716S114000
Reexamination Certificate
active
08001507
ABSTRACT:
A designing method is provided for designing an electric circuit including a clock output circuit for delivering a clock signal and a plurality of processing circuits for receiving the clock signal from the clock output circuit via wirings for clock transmission so as to perform a predetermined process based on the clock signal. The method includes, as a method for designing the wirings for clock transmission to have a predetermined length, a first step of connecting wirings between each of the processing circuits and an arbitrary point (as a “first point”) so that the wirings have substantially the same length (as a “first length”), and a second step of connecting the first point to the clock output circuit by a single wire having the length that is obtained by subtracting the first length from the predetermined length. Thus, lengths of the wirings for transmitting the clock signal to the plurality of circuits are adjustable while the entire length of the wirings is minimized.
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Doan Nghia
Funai Electric Co. Ltd.
Morgan & Lewis & Bockius, LLP
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