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dc.contributor.authorChen, Yi-Chungen
dc.contributor.authorLi, Helen Haien
dc.contributor.authorZhang, Weien
dc.contributor.authorPino, Robinson E.en
dc.identifier.citationChen, Y. C., Li, H. H., Zhang, W., & Pino, R. E. (2012). The 3-D stacking bipolar RRAM for high density. IEEE transactions on nanotechnology, 11(5), 948-956.en
dc.description.abstractFor its simple structure, high density, and good scalability, the resistive random access memory (RRAM) has emerged as one of the promising candidates for large data storage in computing systems. Moreover, building up RRAM in a 3-D stacking structure further boosts its advantage in array density. Conventionally, multiple bipolar RRAM layers are piled up vertically separated with isolation material to prevent signal interference between the adjacent memory layers. The process of the isolation material increases the fabrication cost and brings in the potential reliability issue. To alleviate the situation, we introduce two novel 3-D stacking structures built upon bipolar RRAM crossbars that eliminate the isolation layers. The bigroup operation scheme dedicated for the proposed designs to enable multilayer accesses while avoiding the overwriting induced by the cross-layer disturbance is also presented. Our simulation results show that the proposed designs can increase the capacity of a memory island to 8K-bits (i.e., eight layers of 32 × 32 crossbar arrays) while maintaining the sense margin in the worst case configuration greater than 20% of the maximal sensing voltage.en
dc.relation.ispartofseriesIEEE transactions on nanotechnologyen
dc.subjectDRNTU::Engineering::Computer science and engineeringen
dc.titleThe 3-D stacking bipolar RRAM for high densityen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Computer Engineeringen
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