WEKO3
アイテム
{"_buckets": {"deposit": "ba5d2d87-d31d-4a45-bab9-ca1d22e41105"}, "_deposit": {"created_by": 3, "id": "8788", "owners": [3], "pid": {"revision_id": 0, "type": "depid", "value": "8788"}, "status": "published"}, "_oai": {"id": "oai:ynu.repo.nii.ac.jp:00008788", "sets": ["496"]}, "author_link": ["33485", "19078", "33487"], "item_2_biblio_info_8": {"attribute_name": "書誌情報", "attribute_value_mlt": [{"bibliographicIssueDates": {"bibliographicIssueDate": "2016-12", "bibliographicIssueDateType": "Issued"}, "bibliographicIssueNumber": "8", "bibliographicPageStart": "1301704", "bibliographicVolumeNumber": "26", "bibliographic_titles": [{"bibliographic_title": "IEEE Transactions on Applied Superconductivity"}]}]}, "item_2_description_5": {"attribute_name": "抄録", "attribute_value_mlt": [{"subitem_description": "A superconducting quantum interference device (SQUID) is used as a memory cell in a superconducting Josephson random access memory (RAM) system. In the Josephson RAM, power is mainly consumed by driver circuits, which drive word and bit lines to select the target memory cell. We investigated the power reduction of READ/WRITE operation of the SQUID memory cell by using a stochastic resonance phenomenon. By using a noise-assisted state transition of the SQUID, the driving current required for the READ/WRITE operation of the memory cell can be reduced. We investigated optimum bias and noise conditions where stochastic resonance efficiently occurs on the basis of analog circuit simulation that takes influences of thermal noises into account. According to the simulation results, the power dissipation required for READ/WRITE operation can be reduced by approximately 20% under the optimum bias and noise conditions when the error rate of READ/WRITE operation is 10-10. We designed a 1-bit rf-SQUID memory cell using the AIST 2.5 kA/cm2 Nb standard process 2, and tested the cell by applying a white noise from the room-temperature instrument. The probability that a datum is written to the memory cell and read out correctly was measured under various bias and noise conditions. We have experimentally observed stochastic resonance and obtained the error rate of 10-5 when the power dissipation of READ/WRITE operation is reduced to 80% compared to the conventional Josephson RAM.", "subitem_description_type": "Abstract"}]}, "item_2_publisher_35": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "Institute of Electrical and Electronics Engineers "}]}, "item_2_relation_13": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_type": "isVersionOf", "subitem_relation_type_id": {"subitem_relation_type_id_text": "info:doi/10.1109/TASC.2016.2607156", "subitem_relation_type_select": "DOI"}}]}, "item_2_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "15582515", "subitem_source_identifier_type": "ISSN"}]}, "item_2_text_4": {"attribute_name": "著者所属", "attribute_value_mlt": [{"subitem_text_value": "Department of Electrical and Computer Engineering, Yokohama National University"}, {"subitem_text_value": "Department of Electrical and Computer Engineering, Yokohama National University"}, {"subitem_text_value": "Department of Electrical and Computer Engineering, Yokohama National University"}]}, "item_2_version_type_18": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_version_resource": "http://purl.org/coar/version/c_ab4af688f83e57aa", "subitem_version_type": "AM"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Kihara, Ryusuke"}], "nameIdentifiers": [{"nameIdentifier": "33485", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Yamanashi, Yuki"}], "nameIdentifiers": [{"nameIdentifier": "19078", "nameIdentifierScheme": "WEKO"}, {"nameIdentifier": "70467059", "nameIdentifierScheme": "e-Rad", "nameIdentifierURI": "https://kaken.nii.ac.jp/ja/search/?qm=70467059"}]}, {"creatorNames": [{"creatorName": "Yoshikawa, Nobuyuki"}], "nameIdentifiers": [{"nameIdentifier": "33487", "nameIdentifierScheme": "WEKO"}]}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "2018-01-24"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "Kihara2016IEEE_final.pdf", "filesize": [{"value": "639.8 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_free", "mimetype": "application/pdf", "size": 639800.0, "url": {"label": "Kihara2016IEEE_final.pdf", "url": "https://ynu.repo.nii.ac.jp/record/8788/files/Kihara2016IEEE_final.pdf"}, "version_id": "56872708-5ffd-40f8-8100-e7a241461ed4"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "journal article", "resourceuri": "http://purl.org/coar/resource_type/c_6501"}]}, "item_title": "Power Reduction of Josephson Random Access Memory Using Stochastic Resonance", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Power Reduction of Josephson Random Access Memory Using Stochastic Resonance"}]}, "item_type_id": "2", "owner": "3", "path": ["496"], "permalink_uri": "http://hdl.handle.net/10131/00011462", "pubdate": {"attribute_name": "公開日", "attribute_value": "2018-01-24"}, "publish_date": "2018-01-24", "publish_status": "0", "recid": "8788", "relation": {}, "relation_version_is_last": true, "title": ["Power Reduction of Josephson Random Access Memory Using Stochastic Resonance"], "weko_shared_id": 3}
Power Reduction of Josephson Random Access Memory Using Stochastic Resonance
http://hdl.handle.net/10131/00011462
http://hdl.handle.net/10131/00011462a7354099-19e3-4048-a790-a6e3a5990d4d
名前 / ファイル | ライセンス | アクション |
---|---|---|
Kihara2016IEEE_final.pdf (639.8 kB)
|
|
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2018-01-24 | |||||
タイトル | ||||||
タイトル | Power Reduction of Josephson Random Access Memory Using Stochastic Resonance | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kihara, Ryusuke
× Kihara, Ryusuke× Yamanashi, Yuki× Yoshikawa, Nobuyuki |
|||||
著者所属 | ||||||
Department of Electrical and Computer Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Electrical and Computer Engineering, Yokohama National University | ||||||
著者所属 | ||||||
Department of Electrical and Computer Engineering, Yokohama National University | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A superconducting quantum interference device (SQUID) is used as a memory cell in a superconducting Josephson random access memory (RAM) system. In the Josephson RAM, power is mainly consumed by driver circuits, which drive word and bit lines to select the target memory cell. We investigated the power reduction of READ/WRITE operation of the SQUID memory cell by using a stochastic resonance phenomenon. By using a noise-assisted state transition of the SQUID, the driving current required for the READ/WRITE operation of the memory cell can be reduced. We investigated optimum bias and noise conditions where stochastic resonance efficiently occurs on the basis of analog circuit simulation that takes influences of thermal noises into account. According to the simulation results, the power dissipation required for READ/WRITE operation can be reduced by approximately 20% under the optimum bias and noise conditions when the error rate of READ/WRITE operation is 10-10. We designed a 1-bit rf-SQUID memory cell using the AIST 2.5 kA/cm2 Nb standard process 2, and tested the cell by applying a white noise from the room-temperature instrument. The probability that a datum is written to the memory cell and read out correctly was measured under various bias and noise conditions. We have experimentally observed stochastic resonance and obtained the error rate of 10-5 when the power dissipation of READ/WRITE operation is reduced to 80% compared to the conventional Josephson RAM. | |||||
書誌情報 |
IEEE Transactions on Applied Superconductivity 巻 26, 号 8, p. 1301704, 発行日 2016-12 |
|||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 15582515 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.1109/TASC.2016.2607156 | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
出版者 | ||||||
出版者 | Institute of Electrical and Electronics Engineers |