Patent ID: 7367004
Filing Date: 2008-04-29
Classification: G06F,H05K

Abstract:
1. A crosstalk error control apparatus, comprising: crosstalk analyzing unit for detecting a crosstalk error net in which a crosstalk error has occurred; noise source detecting unit for detecting noise source nets being noise sources to the crosstalk error net; reducing unit for lowering a signal level of a noise source net at the signal source, thereby suppressing the crosstalk error in the crosstalk error net; wiring allocation unit for executing re-wiring processing in a periphery of the noise source net of which the signal level is lowered by the reducing unit; delay analyzing unit for determining whether or not a delay error occurs in a path of a net affected by the lowering of the signal level of the noise source net; and analysis unit for determining whether or not a crosstalk error occurs in the noise source net of which the signal level is lowered, wherein the wiring allocation unit executes, if the delay analyzing unit determined that the delay error has not occurred in the path and the analysis unit determines that the crosstalk error has not occurred, the re-wiring processing in a periphery of the noise source net of which the signal level is lowered.