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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 an effort to reduce the overall read/write power consumption in emerging memory technologies, efficient read/write schemes have recently attracted increased attention. Among these emerging technologies is the memristor-based resistive random access memory (ReRAM) with simpler structures and capability of producing highly dense memory through the sneak-path prone crossbar architecture. In this paper,...
Simulation is expected to become an indispensable educational and research tool for memristive circuits and architectures. To this end, this paper presents a novel, self-contained, platform-independent, GUI-based design and simulation tool for standard/alternative memristive crossbar architectures, targeting memory and/or logic applications. It permits the exploration of the crossbar-based memristive...
Memristor memory has attracted more attentions to act as one of future non-volatile memories. One access transistor and one memristor (1T1R) cell structure can be used to eliminate the issue of sneak path current of memristor memories with crossbar structure. In this paper, we propose several fault models for 1T1R memristor memories based on electrical defects, such as resistive bridge between two...
Memristor-based memory technology, also referred to as resistive RAM (RRAM), is one of the emerging memory technologies potentially to replace conventional semiconductor memories such as SRAM, DRAM, and flash. Existing research on such novel circuits focuses mainly on the integration between CMOS and non-CMOS, fabrication techniques, and reliability improvement. However, research on (manufacturing)...
Memristor was realized as physical device recently by HP labs, this discovery spurred a great interest in memristors as a fundamental electronic element. Memristor-based technology provides much better scalability, higher utilization when used as memory, and overall lower energy consumptions compared to traditional CMOS technology. The contribution of this paper is a detailed study of the non-linear...
Hybrid CMOS/memristor memory (hybrid memory)technology is one of the emerging memory technologies potentially to replace conventional non-volatile flash memory. Existing research on such novel circuits focuses mainly on the integration between CMOS and non-CMOS, fabrication techniques and reliability improvement. However, research on defect analysis for yield and quality improvement is still in its...
A method to utilize the memristor as a multilevel memory has been proposed. There are several roadblocks in the practical use of memristors for multilevel memory. A difficulty comes from the nonlinearity in the ?? vs. q curve which makes it difficult to determine the proper pulse width for desired resistance values. Another one comes from the property of the memristor which integrates any kind of...
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