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| Presentation | 2011-04-18 10:00 [Invited Talk] Trends and Multi-level-cell Technology of Spin Transfer Torque Memory Takashi Ishigaki, Takayuki Kawahara, Riichiro Takemura, Kazuo Ono, Kenchi Ito (Hitachi), Hideo Ohno (Tohoku U.)  ICD2011-1 Link to ES Tech. Rep. Archives: ICD2011-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A MLC (Multi-level cell) SPRAM (Spin transfer torque RAM) with series-stacked MTJs (Magnetic tunnel junctions) was developed. We demonstrate the successful four-level operation, which means two-bits/cell. It is shown that areas of the two-MTJs are required to be different. In addition, two-step write and read techniques for memory operation are also proposed. Moreover, the design of the cell size is discussed. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | SPRAM / STT / TMR / MTJ / MLC / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 6, ICD2011-1, pp. 1-5, April 2011. | |
| Paper # | ICD2011-1 | |
| Date of Issue | 2011-04-11 (ICD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | ICD2011-1 Link to ES Tech. Rep. Archives: ICD2011-1 |
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| Conference Information | |
| Committee | ICD |
| Conference Date | 2011-04-18 - 2011-04-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kobe University Takigawa Memorial Hall |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Memory Device Technologies |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2011-04-ICD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Trends and Multi-level-cell Technology of Spin Transfer Torque Memory |
| Sub Title (in English) | |
| Keyword(1) | SPRAM |
| Keyword(2) | STT |
| Keyword(3) | TMR |
| Keyword(4) | MTJ |
| Keyword(5) | MLC |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takashi Ishigaki |
| 1st Author's Affiliation | Central Research Laboratory, Hitachi. Ltd. (Hitachi) |
| 2nd Author's Name | Takayuki Kawahara |
| 2nd Author's Affiliation | Central Research Laboratory, Hitachi. Ltd. (Hitachi) |
| 3rd Author's Name | Riichiro Takemura |
| 3rd Author's Affiliation | Central Research Laboratory, Hitachi. Ltd. (Hitachi) |
| 4th Author's Name | Kazuo Ono |
| 4th Author's Affiliation | Central Research Laboratory, Hitachi. Ltd. (Hitachi) |
| 5th Author's Name | Kenchi Ito |
| 5th Author's Affiliation | Advanced Research Laboratory, Hitachi. Ltd. (Hitachi) |
| 6th Author's Name | Hideo Ohno |
| 6th Author's Affiliation | Tohoku University (Tohoku U.) |
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| Speaker | Author-1 |
| Date Time | 2011-04-18 10:00:00 |
| Presentation Time | 50 minutes |
| Registration for | ICD |
| Paper # | ICD2011-1 |
| Volume (vol) | vol.111 |
| Number (no) | no.6 |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2011-04-11 (ICD) |
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