Abstract:To help improve quality and yield of magnetic random access memory (MRAM), we propose an adaptive diagnosis algorithm (ADA) that can efficiently identify the write disturbance fault (WDF) for MRAM. The proposed test algorithm is a Marchbased one, i.e., it has linear time complexity and can easily be implemented with built-in self-test (BIST). However, the proposed test method can evaluate the process stability and uniformity using logical test method. We also develop a BIST circuit that supports the proposed W… Show more
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