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The electrically readable complex dynamics of robust and scalable magnetic tunnel junctions (MTJs) offer promising opportunities for advancing neuromorphic computing. In this work, we present an MTJ design with a free layer and two…

Power consumption is the main limitation in the development of new high performance random access memory for portable electronic devices. Magnetic RAM (MRAM) with CoFeB/MgO based magnetic tunnel junctions (MTJs) is a promising candidate for…

Neuromorphic systems that densely integrate CMOS spiking neurons and nano-scale memristor synapses open a new avenue of brain-inspired computing. Existing silicon neurons have molded neural biophysical dynamics but are incompatible with…

神经与进化计算 · 计算机科学 2015-06-10 Xinyu Wu , Vishal Saxena , Kehan Zhu

Magnetic tunnel junctions are nanoscale devices which have recently attracted interested in the context of frequency multiplexed spintronic neural networks, due to their interesting dynamical properties, which are defined during the…

应用物理 · 物理学 2024-08-29 Maksim Stebliy , Alex S. Jenkins , Luana Benetti , Elvira Paz , Ricardo Ferreira

Memristors are promising devices for scalable and low power, in-memory computing to improve the energy efficiency of a rising computational demand. The crossbar array architecture with memristors is used for vector matrix multiplication…

新兴技术 · 计算机科学 2025-05-20 Neethu Kuriakose , Arun Ashok , Christian Grewing , André Zambanini , Stefan van Waasen

Spiking Neural Networks (SNNs) are gaining widespread momentum in the field of neuromorphic computing. These network systems integrated with neurons and synapses provide computational efficiency by mimicking the human brain. It is desired…

新兴技术 · 计算机科学 2021-10-27 Omkar Phadke , Jayatika Sakhuja , Vivek Saraswat , Udayan Ganguly

Multi-core neuromorphic systems typically use on-chip routers to transmit spikes among cores. These routers require significant memory resources and consume a large part of the overall system's energy budget. A promising alternative…

新兴技术 · 计算机科学 2023-12-22 Junren Chen , Siyao Yang , Huaqiang Wu , Giacomo Indiveri , Melika Payvand

Biologically-inspired computing models have made significant progress in recent years, but the conventional von Neumann architecture is inefficient for the large-scale matrix operations and massive parallelism required by these models. This…

硬件体系结构 · 计算机科学 2025-09-23 Siqing Fu , Lizhou Wu , Tiejun Li , Chunyuan Zhang , Jianmin Zhang , Sheng Ma

Convolutional neural networks are state-of-the-art and ubiquitous in modern signal processing and machine vision. Nowadays, hardware solutions based on emerging nanodevices are designed to reduce the power consumption of these networks.…

Neuromorphic architectures, which incorporate parallel and in-memory processing, are crucial for accelerating artificial neural network (ANN) computations. This work presents a novel memristor-based multi-layer neural network (memristive…

新兴技术 · 计算机科学 2025-07-29 Santlal Prajapat , Manobendra Nath Mondal , Susmita Sur-Kolay

Quantized neural networks (QNNs) are being actively researched as a solution for the computational complexity and memory intensity of deep neural networks. This has sparked efforts to develop algorithms that support both inference and…

新兴技术 · 计算机科学 2022-05-31 Tzofnat Greenberg Toledo , Ben Perach , Itay Hubara , Daniel Soudry , Shahar Kvatinsky

Hardware neural networks that implement synaptic weights with embedded non-volatile memory, such as spin torque memory (ST-MRAM), are a major lead for low energy artificial intelligence. In this work, we propose an approximate storage…

新兴技术 · 计算机科学 2018-10-26 Nicolas Locatelli , Adrien F. Vincent , Damien Querlioz

Magnetic Tunnel Junction (MTJ) based Spin-Transfer Torque Magnetic Random Access Memory (STT-MRAM) is poised to replace embedded Flash for advanced applications such as automotive microcontroller units. To achieve deeper technological…

介观与纳米尺度物理 · 物理学 2025-02-28 Nicholas A. Lanzillo , Sergey Faleev , Aakash Pushp

In-memory computing (IMC) is an effectual solution for energy-efficient artificial intelligence applications. Analog IMC amortizes the power consumption of multiple sensing amplifiers with analog-to-digital converter (ADC), and…

新兴技术 · 计算机科学 2021-10-11 Hao Cai , Yanan Guo , Bo Liu , Mingyang Zhou , Juntong Chen , Xinning Liu , Jun Yang

Spiking recurrent neural networks (RNNs) are a promising tool for solving a wide variety of complex cognitive and motor tasks, due to their rich temporal dynamics and sparse processing. However training spiking RNNs on dedicated…

神经与进化计算 · 计算机科学 2021-09-28 Yigit Demirag , Charlotte Frenkel , Melika Payvand , Giacomo Indiveri

Thermodynamic-driven filament formation in redox-based resistive memory and the impact of thermal fluctuations on switching probability of emerging magnetic switches are probabilistic phenomena in nature, and thus, processes of binary…

其他凝聚态物理 · 物理学 2013-10-21 Omid Kavehei , Efstratios Skafidas

Serial connection of multiple memory cells using perpendicular magnetic tunnel junctions (pMTJ) is proposed as a way to increase magnetic random access memory (MRAM) storage density. Multi-bit storage element is designed using pMTJs…

应用物理 · 物理学 2019-07-24 Piotr Rzeszut , Witold Skowroński , Sławomir Ziętek , Jerzy Wrona , Tomasz Stobiecki

The performance and efficiency of running large-scale datasets on traditional computing systems exhibit critical bottlenecks due to the existing "power wall" and "memory wall" problems. To resolve those problems, processing-in-memory (PIM)…

硬件体系结构 · 计算机科学 2022-04-22 Yinglin Zhao , Jianlei Yang , Bing Li , Xingzhou Cheng , Xucheng Ye , Xueyan Wang , Xiaotao Jia , Zhaohao Wang , Youguang Zhang , Weisheng Zhao

Spiking Neural Networks (SNNs), with their inherent recurrence, offer an efficient method for processing the asynchronous temporal data generated by Dynamic Vision Sensors (DVS), making them well-suited for event-based vision applications.…

硬件体系结构 · 计算机科学 2024-11-06 Deepika Sharma , Shubham Negi , Trishit Dutta , Amogh Agrawal , Kaushik Roy

Spin-orbit torque (SOT) based magnetic random access memory (MRAM) is envisioned as an emerging non-volatile memory due to its ultra-high speed and low power consumption. The field-free switching schema in SOT devices is of great interest…

应用物理 · 物理学 2020-07-03 Min Wang , Zhaohao Wang , Chao Wang , Weisheng Zhao