Hanpei KOIKE


Low Overhead Design of Power Reconfigurable FPGA with Fine-Grained Body Biasing on 65-nm SOTB CMOS Technology
Masakazu HIOKI Hanpei KOIKE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2016/12/01
Vol. E99-D  No. 12  pp. 3082-3089
Type of Manuscript:  PAPER
Category: Computer System
Keyword: 
FPGAprogrammable Vtbody biasingstatic power
 Summary | Full Text:PDF(1.2MB)

A 0.7-V Opamp in Scaled Low-Standby-Power FinFET Technology
Shin-ichi O'UCHI Kazuhiko ENDO Takashi MATSUKAWA Yongxun LIU Tadashi NAKAGAWA Yuki ISHIKAWA Junichi TSUKADA Hiromi YAMAUCHI Toshihiro SEKIGAWA Hanpei KOIKE Kunihiro SAKAMOTO Meishoku MASAHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 686-695
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design – Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
Common-Double-Gate FinFETIndependent-Double-Gate FinFETcommon-mode voltage rangelow voltagedifferential amplifiersource follower
 Summary | Full Text:PDF(3.9MB)

High-Frequency Precise Characterization of Intrinsic FinFET Channel
Hideo SAKAI Shinichi O'UCHI Takashi MATSUKAWA Kazuhiko ENDO Yongxun LIU Junichi TSUKADA Yuki ISHIKAWA Tadashi NAKAGAWA Toshihiro SEKIGAWA Hanpei KOIKE Kunihiro SAKAMOTO Meishoku MASAHARA Hiroki ISHIKURO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 752-760
Type of Manuscript:  PAPER
Category: Semiconductor Materials and Devices
Keyword: 
FinFETSOIDe-embeddingRFdevice modeling
 Summary | Full Text:PDF(2.2MB)

FinFET-Based Flex-Vth SRAM Design for Drastic Standby-Leakage-Current Reduction
Shin-ichi O'UCHI Meishoku MASAHARA Kazuhiko ENDO Yongxun LIU Takashi MATSUKAWA Kunihiro SAKAMOTO Toshihiro SEKIGAWA Hanpei KOIKE Eiichi SUZUKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/04/01
Vol. E91-C  No. 4  pp. 534-542
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Digital LSIs and Memories)
Category: 
Keyword: 
SRAMFinFET4T-FinFETstandby powerdynamic threshold-voltage control
 Summary | Full Text:PDF(2.1MB)

Optimization of the Body Bias Voltage Set (BBVS) for Flex Power FPGA
Takashi KAWANAMI Masakazu HIOKI Yohei MATSUMOTO Toshiyuki TSUTSUMI Tadashi NAKAGAWA Toshihiro SEKIGAWA Hanpei KOIKE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/12/01
Vol. E90-D  No. 12  pp. 1947-1955
Type of Manuscript:  Special Section PAPER (Special Section on Reconfigurable Systems)
Category: Reconfigurable Device and Design Tools
Keyword: 
FPGAlow-powerthreshold voltage controlbody bias
 Summary | Full Text:PDF(1.1MB)

Preliminary Evaluation of Flex Power FPGA: A Power Reconfigurable Architecture with Fine Granularity
Takashi KAWANAMI Masakazu HIOKI Hiroshi NAGASE Toshiyuki TSUTSUMI Tadashi NAKAGAWA Toshihiro SEKIGAWA Hanpei KOIKE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/08/01
Vol. E87-D  No. 8  pp. 2004-2010
Type of Manuscript:  Special Section PAPER (Special Section on Reconfigurable Systems)
Category: Recornfigurable Systems
Keyword: 
FPGAreconfigurable devicelow-powerthreshold voltage controlEDA
 Summary | Full Text:PDF(2.2MB)