Paper Abstract and Keywords |
Presentation |
2015-04-17 13:30
[Invited Lecture]
A 2.4 pJ Ferroelectric-Based Non-Volatile Flip-Flop with 10-Year Data Retention Capability Hiromitsu Kimura, Takaaki Fuchikami, Kyoji Marumoto, Yoshikazu Fujimori (ROHM), Shintaro Izumi, Hiroshi Kawaguchi, Masahiko Yoshimoto (Kobe Univ.) ICD2015-11 Link to ES Tech. Rep. Archives: ICD2015-11 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
A ferroelectric-based (FE-based) non-volatile flip-flop (NVFF) is proposed for low-power LSI.
Since leakage current in a logic circuit can be cut off by non-volatile storage capability of NVFFs, the standby power is reduced to zero.
The use of complementarily stored data in coupled ferroelectric capacitors makes it possible to achieve 88$%$ reduction of ferroelectric capacitor size while maintaining a wide read voltage margin of 240mV (minimum) at 1.5V, which results in 2.4pJ low access energy with 10-year, 85$^circ$C data retention capability.
An access speed of the ferroelectric capacitor can be adaptively changed according to required retention time, which becomes 1.6$mu$s for 10-year data retention, and 170ns for 10-hour data retention.
Especially, short-term data retention is suitable for power gating implementation.
Applying the proposed circuitry in 32bit CPU of a vital sensor LSI, its power consumption becomes 13$%$ of that of conventional one with area overhead of 64$%$ using 130nm CMOS with Pb(Zr,Ti)O$_3$(PZT) thin films. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Non-volatile logic / Non-volatile flip-flop / Ferroelectric capacitor / Low power / Microporcessor / / / |
Reference Info. |
IEICE Tech. Rep., vol. 115, no. 6, ICD2015-11, pp. 51-55, April 2015. |
Paper # |
ICD2015-11 |
Date of Issue |
2015-04-09 (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 |
ICD2015-11 Link to ES Tech. Rep. Archives: ICD2015-11 |
Conference Information |
Committee |
ICD |
Conference Date |
2015-04-16 - 2015-04-17 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
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Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
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Paper Information |
Registration To |
ICD |
Conference Code |
2015-04-ICD |
Language |
English (Japanese title is available) |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A 2.4 pJ Ferroelectric-Based Non-Volatile Flip-Flop with 10-Year Data Retention Capability |
Sub Title (in English) |
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Keyword(1) |
Non-volatile logic |
Keyword(2) |
Non-volatile flip-flop |
Keyword(3) |
Ferroelectric capacitor |
Keyword(4) |
Low power |
Keyword(5) |
Microporcessor |
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1st Author's Name |
Hiromitsu Kimura |
1st Author's Affiliation |
ROHM Co.,Ltd. (ROHM) |
2nd Author's Name |
Takaaki Fuchikami |
2nd Author's Affiliation |
ROHM Co.,Ltd. (ROHM) |
3rd Author's Name |
Kyoji Marumoto |
3rd Author's Affiliation |
ROHM Co.,Ltd. (ROHM) |
4th Author's Name |
Yoshikazu Fujimori |
4th Author's Affiliation |
ROHM Co.,Ltd. (ROHM) |
5th Author's Name |
Shintaro Izumi |
5th Author's Affiliation |
Kobe University (Kobe Univ.) |
6th Author's Name |
Hiroshi Kawaguchi |
6th Author's Affiliation |
Kobe University (Kobe Univ.) |
7th Author's Name |
Masahiko Yoshimoto |
7th Author's Affiliation |
Kobe University (Kobe Univ.) |
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Speaker |
Author-1 |
Date Time |
2015-04-17 13:30:00 |
Presentation Time |
25 minutes |
Registration for |
ICD |
Paper # |
ICD2015-11 |
Volume (vol) |
vol.115 |
Number (no) |
no.6 |
Page |
pp.51-55 |
#Pages |
5 |
Date of Issue |
2015-04-09 (ICD) |
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