Interactive circuit designing apparatus which displays a result of component placement and wire routing from a layout design unit
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United States of America Patent
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May 29, 2001
Grant Date -
N/A
app pub date -
Jan 11, 1999
filing date -
Apr 7, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit designing apparatus of an interactive type which enables a simplified and highspeed circuit design process while largely reducing a burden on a designer, having a speed analyzing unit for conducting a delay computation for each wiring path on a circuit to be designed and a display control unit for displaying a result of the delay computation by the speed analyzing unit on a display unit. When the speed analyzing unit conducts a delay computation, a delay value of each logic component forming the circuit that is an object of the design is set and altered according to a dullness of a signal waveform inputted to the logic component. The circuit designing apparatus of an interactive type may be applied to a system for conducting a circuit design of an integrated circuit such as an LSI or the like or a printed circuit board.
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