• 1618 引用
  • 20 h指数
1987 …2019

Research output per year

Pureに変更を加えた場合、すぐここに表示されます。

研究成果

Digital embedded memory scheme using voltage scaling and body bias separation for low-power system

Yoshida, Y., Usami, K. & Amano, H., 2018 5 29, Proceedings - International SoC Design Conference 2017, ISOCC 2017. Institute of Electrical and Electronics Engineers Inc., p. 148-149 2 p.

研究成果: Conference contribution

1 引用 (Scopus)

Dynamic power control with a heterogeneous multi-core system using a 3-D wireless inductive coupling interconnect

Koizumi, Y., Amano, H., Matsutani, H., Miura, N., Kuroda, T., Sakamoto, R., Namiki, M., Usami, K., Kondo, M. & Nakamura, H., 2012 12 1, FPT 2012 - 2012 International Conference on Field-Programmable Technology. p. 293-296 4 p. 6412150. (FPT 2012 - 2012 International Conference on Field-Programmable Technology).

研究成果: Conference contribution

7 引用 (Scopus)
5 引用 (Scopus)

Dynamic VDD switching technique and mapping optimization in dynamically reconfigurable processor for efficient energy reduction

Yamamoto, T., Hironaka, K., Hayakawa, Y., Kimura, M., Amano, H. & Usami, K., 2011 4 4, Reconfigurable Computing: Architectures, Tools and Applications - 7th International Symposium, ARC 2011, Proceedings. p. 230-241 12 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); 巻数 6578 LNCS).

研究成果: Conference contribution

9 引用 (Scopus)

Efficient leakage power saving by sleep depth controlling for multi-mode power gating

Takeda, S., Miwa, S., Usami, K. & Nakamura, H., 2012 7 16, Proceedings of the 13th International Symposium on Quality Electronic Design, ISQED 2012. p. 625-632 8 p. 6187558. (Proceedings - International Symposium on Quality Electronic Design, ISQED).

研究成果: Conference contribution

4 引用 (Scopus)

Energy Efficient Write Verify and Retry Scheme for MTJ Based Flip-Flop and Application

Usami, K., Akaike, J., Akiba, S., Kudo, M., Amano, H., Ikezoe, T., Hiraga, K., Shuto, Y. & Yagami, K., 2018 11 15, Proceedings - 7th IEEE Non-Volatile Memory Systems and Applications Symposium, NVMSA 2018. Institute of Electrical and Electronics Engineers Inc., p. 91-98 8 p. 8537701

研究成果: Conference contribution

1 引用 (Scopus)

Fine-grained power control using a multi-voltage variable pipeline router

Nakamura, T., Matsutani, H., Koibuchi, M., Usami, K. & Amano, H., 2012 12 1, p. 59-66. 8 p.

研究成果: Paper

4 引用 (Scopus)

Fine-grained run-tume power gating through co-optimization of circuit, architecture, and system software design

Nakamura, H., Wang, W., Ohta, Y., Usami, K., Amano, H., Kondo, M. & Namiki, M., 2013 4, : : IEICE Transactions on Electronics. E96-C, 4, p. 404-412 9 p.

研究成果: Article

2 引用 (Scopus)

Foreword: Special section on VLSI design and CAD algorithms

Yamada, A., Higami, Y., Takagi, K., Amagasaki, M., Ikeda, M., Ishihara, T., Ito, K., Usami, K., Okada, K., Kajihara, S., Kaneko, M., Kawaguchi, H., Kimura, S., Kurokawa, A., Shibata, Y., Seto, K., Song, T., Takashima, Y., Takahashi, A., Takenaka, T. および17人, Togawa, N., Tomiyama, H., Nakatake, S., Nakamura, Y., Hashimoto, M., Hamaguchi, K., Higuchi, H., Hirose, T., Fukuda, D., Matsumoto, T., Miura, Y., Minato, S. I., Minami, F., Yamashita, S., Yuminaka, Y., Yoshikawa, M. & Watanabe, T., 2014 12 1, : : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E97A, 12, p. 2366 1 p.

研究成果: Article

Function-level power estimation methodology for microprocessors

Qu, G., Kawabe, N., Usami, K. & Potkonjak, M., 2000 1 1, : : Proceedings-Design Automation Conference. p. 810-813 4 p.

研究成果: Article

66 引用 (Scopus)

Geyser-1: A MIPS R3000 CPU core with fine-grained run-time power gating

Ikebuchi, D., Seki, N., Kojima, Y., Kamata, M., Zhao, L., Amano, H., Shirai, T., Koyama, S., Hashida, T., Umahashi, Y., Masuda, H., Usami, K., Takeda, S., Nakamura, H., Namiki, M. & Kondo, M., 2010 4 28, 2010 15th Asia and South Pacific Design Automation Conference, ASP-DAC 2010. p. 369-370 2 p. 5419857. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

4 引用 (Scopus)

Geyser-1: A MIPS R3000 CPU core with fine grain runtime power gating

Ikebuchi, D., Seki, N., Kojima, Y., Kamata, M., Zhao, L., Amano, H., Shirai, T., Koyamat, S., Hashida, T., Umahashi, Y., Masuda, H., Usami, K., Takeda, S., Nakamura, H., Namiki, M. & Kondo, M., 2009 12 1, Proceedings of Technical Papers - 2009 IEEE Asian Solid-State Circuits Conference, A-SSCC 2009. p. 281-284 4 p. 5357257. (Proceedings of Technical Papers - 2009 IEEE Asian Solid-State Circuits Conference, A-SSCC 2009).

研究成果: Conference contribution

33 引用 (Scopus)

Geyser-1: A MIPS R3000 CPU core with fine-grained run-time power gating

D.Ikebuchi, D. I., N.Seki, N. S., Y.Kojima, Y. K., M.Kamata, M. K., L.Zhao, L. Z., H.Amano, H. A., T.Shirai, T. S., S.Koyama, S. K., T.Hashida, T. H., Y.Umahashi, Y. U., H.Masuda, H. M., K.Usami, K. U., S.Takeda, S. T., H.Nakamura, H. N., M.Namiki, M. N., M.Kondo, M. K. & Usami, K., 2010 1 18, : : Default journal. p. 369-370

研究成果: Article

4 引用 (Scopus)

Geyser-1: A MIPS R3000 CPU core with Fine Grain Runtime Power Gating

D.Ikebuchi, D. I., N.Seki, N. S., Y.Kojima, Y. K., M.Kamata, M. K., L.Zhao, L. Z., H.Amano, H. A., T.Shirai, T. S., S.Koyama, S. K., T.Hashida, T. H., Y.Umahashi, Y. U., H.Masuda, H. M., K.Usami, K. U., S.Takeda, S. T., H.Nakamura, H. N., M.Namiki, M. N., M.Kondo, M. K. & Usami, K., 2009 11 16, : : IEEE Asian Solid-State Circuits Conference (A-SSCC) 2009. p. 281-284

研究成果: Article

33 引用 (Scopus)

Geyser-2: The second prototype CPU with fine-grained run-time power gating

Zhao, L., Ikebuchi, D., Saito, Y., Kamata, M., Seki, N., Kojima, Y., Amano, H., Koyama, S., Hashida, T., Umahashi, Y., Masuda, D., Usami, K., Kimura, K., Namiki, M., Takeda, S., Nakamura, H. & Kondo, M., 2011 3 28, 2011 16th Asia and South Pacific Design Automation Conference, ASP-DAC 2011. p. 87-88 2 p. 5722310. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

10 引用 (Scopus)

Geyser-2: The Second Prototype CPU with Fine-grained Run-time Power Gating

Zhao, L., Ikebuchi, D., Saito, Y., Kamata, M., Seki, N., Kojima, Y., Amano, H., Koyama, S., Hashida, T., Umahashi, Y., Masuda, D., Usami, K., Kimura, K., Namiki, M., Takeda, S., Nakamura, H. & Kondo, M., 2011 1 26, : : 16th Asia and South Pacific Design Automation Conference (ASP-DAC) 2011. p. 87-88

研究成果: Article

10 引用 (Scopus)

Hierarchical symbolic design methodology for large-scale datapaths

Usami, K., Sugeno, Y., Matsumoto, N. & Mori, S., 1990 12 1, : : Proceedings of the Custom Integrated Circuits Conference.

研究成果: Conference article

1 引用 (Scopus)

Hierarchical Symbolic Design Methodology for Large-Scale Data Paths

Usami, K., Sugeno, Y., Matsumoto, N. & Mori, S., 1991 3, : : IEEE Journal of Solid-State Circuits. 26, 3, p. 381-385 5 p.

研究成果: Article

Hybrid design of dual Vth and power gating to reduce leakage power under Vth variations

Shirai, T. & Usami, K., 2008 12 1, 2008 International SoC Design Conference, ISOCC 2008. p. I310-I313 4815634. (2008 International SoC Design Conference, ISOCC 2008; 巻数 1).

研究成果: Conference contribution

2 引用 (Scopus)

Implementation and evaluation of fine-grain run-time power gating for a multiplier

Usami, K., Nakata, M., Shirai, T., Takeda, S., Seki, N., Amano, H. & Nakamura, H., 2009 12 1, 2009 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2009. p. 7-10 4 p. 5166253. (2009 IEEE International Conference on Integrated Circuit Design and Technology, ICICDT 2009).

研究成果: Conference contribution

7 引用 (Scopus)

Leakage in Nanometer CMOS Technologies -Methodologies for Power Gating

Usami, K., Sakurai, T. & authors., . M., 2006 10 1, : : Default journal. p. 77-104

研究成果: Article

Leakage power Reduction for coarse grained dynamically reconfigurable processor arrays with fine grained power Gating technique

Saito, Y., Shirai, T., Nakamura, T., Nishimura, T., Hasegawa, Y., Tsutsumi, S., Kashima, T., Nakata, M., Takeda, S., Usami, K. & Amano, H., 2008 12 1, Proceedings of the 2008 International Conference on Field-Programmable Technology, ICFPT 2008. p. 329-332 4 p. 4762410. (Proceedings of the 2008 International Conference on Field-Programmable Technology, ICFPT 2008).

研究成果: Conference contribution

15 引用 (Scopus)

Level-shifter free approach for multi-Vdd SOTB employing adaptive Vt modulation for pMOSFET

Usami, K., Kogure, S., Yoshida, Y., Magasaki, R. & Amano, H., 2018 3 7, 2017 IEEE SOI-3D-Subthreshold Microelectronics Unified Conference, S3S 2017. Institute of Electrical and Electronics Engineers Inc., 巻 2018-March. p. 1-3 3 p.

研究成果: Conference contribution

1 引用 (Scopus)

Level-shifter-less approach for multi-VDD design to use body bias control in FD-SOI

Usami, K., Kogure, S., Yoshida, Y., Magasaki, R. & Amano, H., 2017 12 13, 25th IFIP/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2017 - Proceedings. IEEE Computer Society, 8203473

研究成果: Conference contribution

1 引用 (Scopus)

Level-Shifter-Less Approach for Multi-VDD SoC Design to Employ Body Bias Control in FD-SOI

Usami, K., Kogure, S., Yoshida, Y., Magasaki, R. & Amano, H., 2019 1 1, VLSI-SoC: Opportunities and Challenges Beyond the Internet of Things - 25th IFIP WG 10.5/IEEE International Conference on Very Large Scale Integration, VLSI-SoC 2017, Revised and Extended Selected Papers. Monteiro, J., Elfadel, I. A. M., Sonza Reorda, M., Ugurdag, H. F., Maniatakos, M. & Reis, R. (版). Springer New York LLC, p. 1-21 21 p. (IFIP Advances in Information and Communication Technology; 巻数 500).

研究成果: Conference contribution

Low-power design methodology and applications utilizing dual supply voltages

Usami, K. & Igarashi, M., 2000 12 1, Proceedings of the 2000 Asia and South Pacific Design Automation Conference, ASP-DAC 2000. p. 123-128 6 p. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

30 引用 (Scopus)

Low-power design method using multiple supply voltages

Igarashi, M., Usami, K., Nogami, K., Minami, F., Kawasaki, Y., Aoki, T., Takano, M., Mizuno, C., Lshikawa, T., Kanazawa, M., Sonoda, S., Ichida, M. & Hatanaka, N., 1997 1 1, p. 36-41. 6 p.

研究成果: Paper

52 引用 (Scopus)

Low-power design technique for ASICs by partially reducing supply voltage

Usami, K., Ishikawa, T., Kanazawa, M. & Kotani, H., 1996 1 1, : : Proceedings of the Annual IEEE International ASIC Conference and Exhibit. p. 301-304 4 p.

研究成果: Conference article

24 引用 (Scopus)
6 引用 (Scopus)

Measurement of the minimum energy point in Silicon on Thin-BOX(SOTB) and bulk MOSFET

Nakamura, S., Kawasaki, J., Kumagai, Y. & Usami, K., 2015 3 18, EUROSOI-ULIS 2015 - 2015 Joint International EUROSOI Workshop and International Conference on Ultimate Integration on Silicon. Institute of Electrical and Electronics Engineers Inc., p. 193-196 4 p. 7063746

研究成果: Conference contribution

12 引用 (Scopus)

Multi-voltage variable pipeline routers with the same clock frequency for low-power network-on-chips systems

Ahmed, A. B., Matsutani, H., Koibuchi, M., Usami, K. & Amano, H., 2016 8 1, : : IEICE Transactions on Electronics. E99C, 8, p. 909-917 9 p.

研究成果: Article

2 引用 (Scopus)

Nonvolatile power gating with MTJ based nonvolatile flip-flops for a microprocessor

Kudo, M. & Usami, K., 2017 10 10, NVMSA 2017 - 6th IEEE Non-Volatile Memory Systems and Applications Symposium. Institute of Electrical and Electronics Engineers Inc., 8064472. (NVMSA 2017 - 6th IEEE Non-Volatile Memory Systems and Applications Symposium).

研究成果: Conference contribution

1 引用 (Scopus)

On-chip detection methodology for break-even time of power gated function units

Usami, K., Goto, Y., Matsunaga, K., Koyama, S., Ikebuchi, D., Amano, H. & Nakamura, H., 2011 9 19, IEEE/ACM International Symposium on Low Power Electronics and Design, ISLPED 2011. p. 241-246 6 p. 5993643. (Proceedings of the International Symposium on Low Power Electronics and Design).

研究成果: Conference contribution

13 引用 (Scopus)

Optimized design method for full-custom microprocessors

Usami, K. & Iwamura, J., 1989 12 1, : : Proceedings of the Custom Integrated Circuits Conference. p. 19.5.1-19.5.5 5726257.

研究成果: Conference article

1 引用 (Scopus)

Overview on low power SoC design technology

Usami, K., 2007 12 1, Proceedings of the ASP-DAC 2007 - Asia and South Pacific Design Automation Conference 2007. p. 634-636 3 p. 4196103. (Proceedings of the Asia and South Pacific Design Automation Conference, ASP-DAC).

研究成果: Conference contribution

7 引用 (Scopus)

Performance, area, and power evaluations of ultrafine-grained run-time power-gating routers for CMPs

Matsutani, H., Koibuchi, M., Ikebuchi, D., Usami, K., Nakamura, H. & Amano, H., 2011 4 1, : : IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems. 30, 4, p. 520-533 14 p., 5737865.

研究成果: Article

28 引用 (Scopus)

Power gating for FDSOI using dynamically body-biased power switch

Kumagai, Y., Kudo, M. & Usami, K., 2015 3 18, EUROSOI-ULIS 2015 - 2015 Joint International EUROSOI Workshop and International Conference on Ultimate Integration on Silicon. Institute of Electrical and Electronics Engineers Inc., p. 221-224 4 p. 7063813

研究成果: Conference contribution

Power Gating for Ultra-low Leakage: Physics; Design; and Analysis

F.Jerry, F. J., K.Choi, K. C., K.Usami, K. U. & Usami, K., 2008 3 3, : : Design; Automation and Test in Europe 2008 (DATE'08).

研究成果: Article

10 引用 (Scopus)
1 引用 (Scopus)

Single Supply Level Shifter Circuit using body-bias

Takeyoshi, Y. & Usami, K., 2019 6, 34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019. Institute of Electrical and Electronics Engineers Inc., 8793384. (34th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2019).

研究成果: Conference contribution

SLD-1(Silent Large Datapath): A ultra low power reconfigurable accelerator

Ozaki, N., Usami, K., Amano, H., Namiki, M., Nakamura, H. & Kondo, M., 2011 7 18, IEEE Symposium on Low-Power and High-Speed Chips - 2011 IEEE COOL Chips XIV, Proceedings. 5890918. (IEEE Symposium on Low-Power and High-Speed Chips - 2011 IEEE COOL Chips XIV, Proceedings).

研究成果: Conference contribution

2 引用 (Scopus)
1 引用 (Scopus)

Stepwise sleep depth control for run-time leakage power saving

Takeda, S., Miwa, S., Usami, K. & Nakamura, H., 2012 5 22, GLSVLSI'12 - Proceedings of the Great Lakes Symposium on VLSI 2012. p. 233-238 6 p. (Proceedings of the ACM Great Lakes Symposium on VLSI, GLSVLSI).

研究成果: Conference contribution

2 引用 (Scopus)