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Definition: RRAM

(Resistive RAM) A category of non-volatile memory technologies that can modify the structure of a storage cell to have a conductive low resistance or non-conductive high resistance. In 2012, using silicon oxide, the University College of London (UCL) prototyped an RRAM chip that was considerably faster than flash memory while using a fraction of the power. Considered a type of memristor and also called "ReRam," commercial products have yet to materialize. See MRAM, phase change memory, programmable metallization cell and memristor.

Crossbar's RRAM
When voltage is applied to the electrodes, Crossbar's RRAM cell switches between high and low resistance. (Image courtesy of Crossbar Inc., www.crossbar-inc.com)