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Vector-matrix multiplication dominates the computation time and energy for many workloads, particularly neural network algorithms and linear transforms (e.g, the Discrete Fourier Transform). Utilizing the natural current accumulation feature of memristor crossbar, we developed the Dot-Product Engine (DPE) as a high density, high power efficiency accelerator for approximate matrix-vector multiplication...
In this paper, 5Xnm cross point cell array for the low power ReRAM operation was developed with 1S1R cell structure. Through the optimization of both TiOx/TaOx based-1R and NbO2 based-1S stacks with TiN based-electrode, the world's first and best bipolar switching characteristics with the lowest operation current (20∼50uA) and sneak current (∼1uA) level were acquired.
Recently, memory and storage have taken a front seat in computer hardware as it experiences an explosive growth at a rate faster than Moore's law for the past 10 years. With the upcoming challenges for further FLASH scaling into the next generations, emerging technologies have appeared portraying perspectives with the potential to shift computer architecture concepts. Here we present a brief overview...
Semiconducting TiO2 displays non-volatile multi-state, hysteretic behavior in its I-V characteristics that can be exploited as a memory material in a memristive device. We exposed memristive TiO2 devices in the on and off resistance states to 45 Mrad(Si) of ~1-MeV gamma radiation and 23 Mrad(Si) of 941-MeV Bi-ions under zero bias conditions and none of the devices were degraded. These results suggest...
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