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Enhanced Test Scheme based on Programmable Write Time for Future Computer Memories
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class="card"> <div class="card-body"><strong>Paper Count:</strong> 87506</div> </div> </div> </div> <div class="card publication-listing mt-3 mb-3"> <h5 class="card-header" style="font-size:.9rem">Enhanced Test Scheme based on Programmable Write Time for Future Computer Memories</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nor%20Zaidi%20Haron">Nor Zaidi Haron</a>, <a href="https://publications.waset.org/abstracts/search?q=Fauziyah%20Salehuddin"> Fauziyah Salehuddin</a>, <a href="https://publications.waset.org/abstracts/search?q=Norsuhaidah%20Arshad"> Norsuhaidah Arshad</a>, <a href="https://publications.waset.org/abstracts/search?q=Sani%20Irwan%20Salim"> Sani Irwan Salim</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Resistive random access memories (RRAMs) are one of the main candidates for future computer memories. However, due to their tiny size and immature device technology, the quality of the outgoing RRAM chips is seen as a serious issue. Defective RRAM cells might behave differently than existing semiconductor memories (Dynamic RAM, Static RAM, and Flash), meaning that they are difficult to be detected using existing test schemes. This paper presents an enhanced test scheme, referred to as Programmable Short Write Time (PSWT) that is able to improve the detection of faulty RRAM cells. It is developed by applying multiple weak write operations, each with different time durations. The test circuit embedded in the RRAM chip is made programmable in order to supply different weak write times during testing. The RRAM electrical model is described using Verilog-AMS language and is simulated using HSPICE simulation tools. Simulation results show that the proposed test scheme offers better open-resistive fault detection compared to existing test schemes. <iframe src="https://publications.waset.org/abstracts/2242.pdf" style="width:100%; height:400px;" frameborder="0"></iframe> <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=memory%20fault" title="memory fault">memory fault</a>, <a href="https://publications.waset.org/abstracts/search?q=memory%20test" title=" memory test"> memory test</a>, <a href="https://publications.waset.org/abstracts/search?q=design-for-testability" title=" design-for-testability"> design-for-testability</a>, <a href="https://publications.waset.org/abstracts/search?q=resistive%20random%20access%20memory" title=" resistive random access memory"> resistive random access memory</a> </p> <a href="https://publications.waset.org/abstracts/2242/enhanced-test-scheme-based-on-programmable-write-time-for-future-computer-memories" 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