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Extending fault periodicity table for testing faults in memories under 20nm

机译:扩展故障周期表以测试20nm以下的存储器中的故障

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A new solution for building memory BIST infrastructure, based on rules of fault periodicity and regularity in test algorithms was introduced recently. These rules are represented in a form of a Fault Periodicity Table (FPT) considering both known and unknown memory faults in one table. Each column of FPT corresponds to a fault nature which can be associated with a variety of different test mechanisms while each row of FPT corresponds to a fault family determined by the complexity of fault sensitization. In this paper, application of the proposed methodology for description of memory faults in technologies below 20nm, including 16/14nm FinFET-based memories, is shown. Specifically, it is shown that all recently discovered FinFET-specific faults successfully fit into FPT.
机译:最近推出了一种基于测试算法中的故障周期性和规律规则来构建内存BIST基础设施的新解决方案。这些规则以故障周期性表(FPT)的形式表示,考虑一个表中已知和未知的存储器故障。每个FPT列对应于故障性质,其可以与各种不同的测试机制相关联,而每行FPT对应于由故障敏化的复杂性确定的故障家庭。在本文中,示出了所提出的方法的应用,用于描述在20nm以下的技术中的内存故障,包括16/14nm基于FinFET的存储器。具体地,显示所有最近发现的FinFET特定故障成功地装入FPT。

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