Hanpei KOIKE


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)