Withrow & Terranova, PLLC
Write driver circuits for resistive random access memory (RAM) arrays
Aspects disclosed in the detailed description include write driver circuits for resistive random access memory (RAM) arrays. In one aspect, a write driver circuit is provided to facilitate writing data into a resistive RAM array in a memory system. The write driver circuit is coupled to a selector circuit configured to select a memory bitcell(s) in the resistive RAM array for a write operation. An isolation circuit is provided in the write driver circuit to couple a current source to the selector circuit to provide a write voltage during the write operation and to isolate the current source from the selector circuit when the selector circuit is not engaged in the write operation. By isolating the selector circuit from the current source when the selector circuit is on standby, it is possible to reduce leakage current in the selector circuit, thus reducing standby power consumption in the memory system.
QUALCOMM Incorporated
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Sungryul Jung Pill Taehyun
Kim Kim Kim