利用电阻式时间存储器存储和检索波前
Storing and retrieving wavefronts with resistive temporal memory
摘要：
我们通过开发多通道时间模式或“波前”的存储器来扩展时间计算方案的范围。“这种临时存储器重新使用传统的一个晶体管一个电阻器（1T1R）忆阻器交叉杆，用于到达时间编码，每线单事件临时计算环境。忆阻器电阻和相关联的电路电容提供必要的时间常数，使得存储器阵列能够存储和检索波前。这种存储器的检索操作自然是在时间域中，并且所产生的波前可用于触发时域计算。虽然记录波前可以使用标准数字技术完成，但该方法在时间域和数字域之间具有大量转换成本。为了避免这些成本，我们提出了一个尖峰定时相关的可塑性（STDP）启发波前记录计划来捕捉传入波前。我们用实验验证的忆阻器模型模拟这些设计，并分析忆阻器非理想性对这种存储器的操作的影响。
英文摘要：
We extend the reach of temporal computing schemes by developing a memory for multi-channel temporal patterns or "wavefronts." This temporal memory re-purposes conventional one-transistor-one-resistor (1T1R) memristor crossbars for use in an arrival-time coded, single-event-per-wire temporal computing environment. The memristor resistances and the associated circuit capacitances provide the necessary time constants, enabling the memory array to store and retrieve wavefronts. The retrieval operation of such a memory is naturally in the temporal domain and the resulting wavefronts can be used to trigger time-domain computations. While recording the wavefronts can be done using standard digital techniques, that approach has substantial translation costs between temporal and digital domains. To avoid these costs, we propose a spike timing dependent plasticity (STDP) inspired wavefront recording scheme to capture incoming wavefronts. We simulate these designs with experimentally validated memristor models and analyze the effects of memristor non-idealities on the operation of such a memory.
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