Abstract
The mathematical relationships between the operating voltages and the conductance of resistance random-access memory (RRAM) are found based on the statistical measurements of the 1-transistor 1-RRAM (1T1R) array. According to the corresponding relationships, a one-shot operation scheme without verification after programming is proposed for weight updating of RRAM-based neural networks. The proposed operation scheme enables parallel column-by-column SET and row-by-row RESET, which achieves fast and accurate conductance modulation in the 1T1R array. By utilizing the one-shot scheme for weight updating of the deep-Q network, the training efficiency improves 40 times compared with the incremental step pulse programming (ISPP) scheme.
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