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Method and system for functional safety verification using fault relation rules

机译:使用故障关系规则功能安全验证的方法和系统

摘要

A computer implemented method for functional safety verification includes simulating SA0 and/or SA1 faults at a Q output port of each sequential element in a first representation of an electronic design, to determine whether any of the simulated faults is detectable by a safety mechanism, determining, based on one or more fault relation rules and based on a second gate-level representation of the electronic design, whether any of the faults is also detectable by the safety mechanism if occurred at one or more input ports of the respective sequential element or one or more input ports of a clockgate of the respective sequential element, and identifying a remainder of input ports and input ports of a clockgate of each of the sequential elements at which the faults are not determined to be detectable by the safety mechanism based on the one or a plurality of fault relation rules.
机译:用于功能安全验证的计算机实现的方法包括在电子设计的第一表示中的每个顺序元素的Q输出端口处模拟SA0和/或SA1故障,以确定是否通过安全机制来检测到任何模拟故障,确定 基于一个或多个故障关系规则并基于电子设计的第二栅极级表示,如果发生在相应顺序元件的一个或多个输入端口或一个的输入端口,则还可以通过安全机制可检测到任何故障 或者更多的顺序元素的时钟的输入端口,并识别每个顺序元件的每个顺序元件的输入端口和输入端口的剩余部分,其中不确定故障的安全机制可检测到一个基于那个 或多个故障关系规则。

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