METHOD OF PROGRAMMING A RESISTIVE RANDOM ACCESS MEMORY
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United States of America Patent
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Jun 2, 2016
app pub date -
Dec 2, 2015
filing date -
Dec 2, 2014
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Abstract
A method of programming a resistive random access memory switching from an insulating state to a conducting state, the memory including first and second electrodes separated by an electrically insulating material, and switching for the first time from the insulating state to the conducting state by applying a threshold voltage between the electrodes, with a first limited current flowing in the memory after the switching, the first limited current being limited by a current limitation device, the method including applying a voltage between the electrodes for the switching of the resistive random access memory from a highly resistive conducting state to a low resistive conducting state, with a second limited current flowing in the resistive random access memory after the switching, the second limited current being limited by the current limitation device, the second limited current being chosen strictly less than the first limited current.
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