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在许多与存贮器测试及可靠性有关的场合,都需要模拟生成一些存贮器故障,以考查系统的工作情况.在指出现行的几种方法难以形成任意单元间的耦合故障与图形敏感故障后,本文提出一种用软件实现模拟生成存贮器故障的方法.依据普遍采用的故障模型,分析了RAM 故障出现时所满足的规律,据此构造了故障模拟生成软件.它可以实时形成任意单元间的耦合故障与图形敏感故障.最后,讨论了这种方法的应用.
In many cases related to memory testing and reliability, it is necessary to simulate the generation of some memory faults in order to check the operation of the system.It is pointed out that the existing methods are difficult to form the coupling failure and the graphics-sensitive failure After that, this paper presents a method to simulate the generation of memory fault by using software.According to the commonly used fault model, the law of RAM failure is analyzed and the fault simulation software is constructed.It can form arbitrary Cell coupling failure and graphics-sensitive faults.Finally, the application of this method is discussed.