Abstract
A device–circuit co-design strategy of incremental step pulse programming (ISPP) tailored specifically for resistive-switching random access memory (RRAM) is elaborated using HfO2 RRAM as an example. The proposed strategy optimizes ISPP by considering programming energy, speed, peripheral circuit design, and device lifetime simultaneously. Interplay between ISPP configuration and device switching behavior is comprehensively clarified, and the result provides useful indicators for estimating peripheral circuit overhead and programming performance. Overstress effects affect both switching voltages and endurance lifetime substantially and, thus, should be carefully minimized.
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