snn中与忆阻交叉栅柔性交互作用的辅助脉冲扩展器和电流衰减器电路

J. Ahmadi-Farsani, B. Linares-Barranco, T. Serrano-Gotarredona
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引用次数: 1

摘要

本文提出了一个脉冲扩展器、一个延迟元件和一个电流衰减器作为辅助电路,使脉冲神经网络与忆阻交叉栅的灵活交互成为可能。在突触前部分,脉冲扩展器使输入与忆阻器的脉冲特性兼容。在突触后部分,电流衰减器降低了系统对低偏置放大器的要求,也使设计具有小膜电容器的神经元成为可能。该电路采用CMOS 180nm技术制造。测量验证了这些块在达到具有实时性能的SNN中起着重要作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Auxiliary Pulse-Extender and Current-Attenuator Circuits for Flexible Interaction with Memristive Crossbars in SNNs
This paper presents a pulse-extender, a delay-element, and a current-attenuator as auxiliary circuits that make it possible to have flexible interaction with memristor crossbars in spiking neural networks. In the presynaptic part, the pulse-extender makes the inputs compatible with the pulsed-characterization of memristors. In the post-synaptic part, the current attenuator relaxes the system in terms of requiring low-offset amplifiers and also makes it possible to design neurons with small membrane capacitors. The circuits are fabricated in a CMOS 180nm technology. The measurements verify that these blocks play an important role in reaching an SNN with real-time performance.
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