IEEE Journal on Exploratory Solid-State Computational Devices and Circuits最新文献

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High-Density Spin–Orbit Torque Magnetic Random Access Memory With Voltage-Controlled Magnetic Anisotropy/Spin-Transfer Torque Assist 具有电压控制磁各向异性/自旋传递转矩辅助的高密度自旋轨道转矩磁随机存取存储器
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-20 DOI: 10.1109/JXCDC.2022.3230925
Piyush Kumar;Azad Naeemi
{"title":"High-Density Spin–Orbit Torque Magnetic Random Access Memory With Voltage-Controlled Magnetic Anisotropy/Spin-Transfer Torque Assist","authors":"Piyush Kumar;Azad Naeemi","doi":"10.1109/JXCDC.2022.3230925","DOIUrl":"10.1109/JXCDC.2022.3230925","url":null,"abstract":"This article explores an area saving scheme for spin–orbit torque (SOT) magnetic random access memory (MRAM) by sharing the SOT channel and write transistor among multiple magnetic tunnel junctions (MTJs). We use two write mechanisms to selectively write the MTJs, i.e., voltage-controlled magnetic anisotropy (VCMA)-assisted write in the presence of an external magnetic field and field-free spin-transfer torque (STT)-assisted write. Using micromagnetic simulations that are augmented by the rare-event enhancement, we study various trade-offs among write current, time, and energy, write error rate (WER), and the number of MTJs on an SOT channel. We quantify the issue of IR drop on the SOT channel as a function of the SOT layer thickness and number of MTJs. Our results show having more than four MTJs on an SOT channel poses major challenges in terms of IR drop and WER. In addition, we evaluate the impact of the proposed scheme on read performance.","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"185-193"},"PeriodicalIF":2.4,"publicationDate":"2022-12-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9998452/09994702.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44088062","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Self-Reset Schemes for Magnetic Domain Wall-Based Neuron 基于磁畴壁的神经元自复位方案
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-08 DOI: 10.1109/JXCDC.2022.3227774
Debasis Das;Xuanyao Fong
{"title":"Self-Reset Schemes for Magnetic Domain Wall-Based Neuron","authors":"Debasis Das;Xuanyao Fong","doi":"10.1109/JXCDC.2022.3227774","DOIUrl":"10.1109/JXCDC.2022.3227774","url":null,"abstract":"Spintronic artificial spiking neurons are promising due to their ability to closely mimic the leaky integrate-and-fire (LIF) dynamics of the biological LIF spiking neuron. However, the neuron needs to be reset after firing. Few of the spintronic neurons that have been proposed in the literature discuss the reset process in detail. In this article, we discuss the various schemes to achieve this reset in a magnetic domain wall (DW)-based spintronic neuron in which the position of the DW represents the membrane potential. In all the spintronic neurons studied, the neuron enters a refractory period and is reset when the DW reaches a particular position. We show that the self-reset operation in the neuron devices consumes energy that can vary from several pJ to a few fJ, which highlights the importance of the reset strategy in improving the energy efficiency of spintronic artificial spiking neurons.","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"166-172"},"PeriodicalIF":2.4,"publicationDate":"2022-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9998452/09976922.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48684960","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Review of Magnetic Tunnel Junctions for Stochastic Computing 随机计算中磁隧道结的研究进展
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-08 DOI: 10.1109/JXCDC.2022.3227062
Brandon R. Zink;Yang Lv;Jian-Ping Wang
{"title":"Review of Magnetic Tunnel Junctions for Stochastic Computing","authors":"Brandon R. Zink;Yang Lv;Jian-Ping Wang","doi":"10.1109/JXCDC.2022.3227062","DOIUrl":"https://doi.org/10.1109/JXCDC.2022.3227062","url":null,"abstract":"Modern computing schemes require large circuit areas and large energy consumption for neuromorphic computing applications, such as recognition, classification, and prediction. This is because these tasks require parallel processing on large datasets. Stochastic computing (SC) is a promising alternative to conventional binary computing schemes due to its low area cost, low processing power, and robustness to noise. However, the large area and energy costs for random number generation with CMOS-based circuits make SC impractical for most hardware implementations. For this reason, beyond-CMOS approaches to random number generation have been investigated in recent years. Spintronics is one of the most promising approaches due to the intrinsic stochasticity of the magnetic tunnel junction (MTJ). In this review article, we provide an overview of the literature published in recent years investigating the tunable, intrinsic stochasticity of MTJs and proposing practical methods for random number generation using spintronic hardware.","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"173-184"},"PeriodicalIF":2.4,"publicationDate":"2022-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9998452/09976889.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49978850","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
INFORMATION FOR AUTHORS 作者信息
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2022.3231761
{"title":"INFORMATION FOR AUTHORS","authors":"","doi":"10.1109/JXCDC.2022.3231761","DOIUrl":"https://doi.org/10.1109/JXCDC.2022.3231761","url":null,"abstract":"","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"C3-C3"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9969523/10102640.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49978853","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
SSRL: Single Skyrmion Reconfigurable Logic Utilizing 2-D Magnus Force on Magnetic Racetracks SSRL:在磁性赛道上利用二维磁力的单个Skyrmion可重构逻辑
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2023.3238030
Mohammad Nazmus Sakib;Hamed Vakili;Samiran Ganguly;Avik W. Ghosh;Mircea Stan
{"title":"SSRL: Single Skyrmion Reconfigurable Logic Utilizing 2-D Magnus Force on Magnetic Racetracks","authors":"Mohammad Nazmus Sakib;Hamed Vakili;Samiran Ganguly;Avik W. Ghosh;Mircea Stan","doi":"10.1109/JXCDC.2023.3238030","DOIUrl":"10.1109/JXCDC.2023.3238030","url":null,"abstract":"Magnetic racetrack memory has frequently been complicated by the pinning of domain wall bits on the one hand and the need to engineer precise synchronization and inter-track repulsion between skyrmionic bits on the other. Such proposals, however, do not capitalize on the complex 2-D motion of skyrmions, such as transverse Magnus force that tends to deviate the skyrmion trajectory from rectilinear motion along the current drive. The transverse deviation associated with such a skyrmion Hall effect is normally considered a liability for skyrmions, and efforts have focused on eliminating rather than utilizing it for proposed device applications. We propose a simple single skyrmion-based circuit macro with elementary and higher-order logic gates that utilize Magnus force and propose reconfigurable logic built on these gates. We demonstrate the reliability of the proposed approach with micromagnetics simulation. The energy consumption in this circuit lies mainly in the overhead, with the racetrack consuming a small fraction. The energy–delay product (EDP) is correspondingly low and can be improved by boosting the skyrmion speed.","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"203-211"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9998452/10021607.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41852686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits publication information 探索性固态计算器件和电路IEEE杂志出版信息
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2022.3231737
{"title":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits publication information","authors":"","doi":"10.1109/JXCDC.2022.3231737","DOIUrl":"https://doi.org/10.1109/JXCDC.2022.3231737","url":null,"abstract":"","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"C2-C2"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9969523/10102687.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49950213","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Special Topic on Energy-Efficient Compute-in-Memory With Emerging Devices 专题:新兴设备的节能内存计算
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2022.3231764
Jae-Sun Seo
{"title":"Special Topic on Energy-Efficient Compute-in-Memory With Emerging Devices","authors":"Jae-Sun Seo","doi":"10.1109/JXCDC.2022.3231764","DOIUrl":"https://doi.org/10.1109/JXCDC.2022.3231764","url":null,"abstract":"Deep neural networks (DNNs) have shown extraordinary performance in recent years for various applications including image classification, object detection, speech recognition, natural language processing, etc. Accuracydriven DNN architectures tend to increase the model sizes and computations at a very fast pace, demanding a massive amount of hardware resources. Frequent communication between the processing engine and the ON-/OFF-chip memory leads to high energy consumption, which becomes a bottleneck for the conventional DNN accelerator design.","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"iii-v"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9969523/10006410.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49978852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RFIC 2023 Call for Papers RFIC 2023征稿
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2022.3218810
{"title":"RFIC 2023 Call for Papers","authors":"","doi":"10.1109/JXCDC.2022.3218810","DOIUrl":"https://doi.org/10.1109/JXCDC.2022.3218810","url":null,"abstract":"","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"155-156"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9969523/10102698.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49950212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
2022 Index IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Vol. 8 探索性固态计算器件和电路IEEE杂志第8卷
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2023.3268019
{"title":"2022 Index IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Vol. 8","authors":"","doi":"10.1109/JXCDC.2023.3268019","DOIUrl":"10.1109/JXCDC.2023.3268019","url":null,"abstract":"","PeriodicalId":54149,"journal":{"name":"IEEE Journal on Exploratory Solid-State Computational Devices and Circuits","volume":"8 2","pages":"212-218"},"PeriodicalIF":2.4,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ieeexplore.ieee.org/iel7/6570653/9998452/10108913.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44065875","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits publication information 探索性固态计算器件和电路IEEE杂志出版信息
IF 2.4
IEEE Journal on Exploratory Solid-State Computational Devices and Circuits Pub Date : 2022-12-01 DOI: 10.1109/JXCDC.2023.3263708
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引用次数: 0
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