Wonsun Yang

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Memristors were mathematically found by L. O. Chua in 1971 and experimentally demonstrated by HP researchers in 2008 [1], [2]. Since then, memristors have been considered suitable for neuromorphic circuits and systems, because they have some similarities with brain’s neuronal systems [3], [4], [5]. Memristors are possibly 3-dimensioanl, parallel, analog,(More)
Nanoscale memristors can be used as synapses in brain-mimicking neuromorphic systems. Here, the fine tuning of memristor conductance is important in controlling the synapse weights precisely, because the coarse tuning of memristor synapses can cause a significant error in neuromorphic processing. In this paper, we propose a new Pulse Amplitude Modulation(More)
In this paper, we propose a new time-shared twin memristor crossbar for pattern-recognition applications. By sharing two memristor arrays at different time, the number of memristor arrays can be reduced by half, saving the crossbar area by half, too. To implement the time-shared twin memristor crossbar, we also propose CMOS time-shared subtractor circuit,(More)
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