Koichiro ISHIBASHI


On-Chip Switched Decoupling Capacitor for Fast Voltage Hopping of DVS Systems
Jinmyoung KIM  Toru NAKURA  Koichiro ISHIBASHI  Makoto IKEDA  Kunihiro ASADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/04/01
Vol. E96-C  No. 4  pp. 560-567
Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design—Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
DVSfast voltage hoppingresonant supply noisedecoupling capacitornoise reductioncapacitance boosting
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On-Chip Switched Parasitic Capacitors of Sleep Blocks for Resonant Supply Noise Reduction
Jinmyoung KIM  Toru NAKURA  Hidehiro TAKATA  Koichiro ISHIBASHI  Makoto IKEDA  Kunihiro ASADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2012/04/01
Vol. E95-C  No. 4  pp. 643-650
Type of Manuscript: Special Section PAPER (Special Section on Solid-State Circuit Design – Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
resonant supply noiseswitched parasitic capacitorssleep blockpower gating
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On-Chip Resonant Supply Noise Canceller Utilizing Parasitic Capacitance of Sleep Blocks for Power Mode Switch
Jinmyoung KIM  Toru NAKURA  Hidehiro TAKATA  Koichiro ISHIBASHI  Makoto IKEDA  Kunihiro ASADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/04/01
Vol. E94-C  No. 4  pp. 511-519
Type of Manuscript: Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
power supply noiseresonanceparasitic capacitancesleep blockDVSpower gating
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Substrate-Noise and Random-Variability Reduction with Self-Adjusted Forward Body Bias
Yoshihide KOMATSU  Koichiro ISHIBASHI  Makoto NAGATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/04/01
Vol. E90-C  No. 4  pp. 692-698
Type of Manuscript: Special Section PAPER (Special Section on Low-Power, High-Speed LSIs and Related Technologies)
Category: Digital
Keyword: 
substrate noiserandom variabilityforward body biasself adjustedimpuritieslatch-upCMOSSoC
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Soft Error Hardened Latch Scheme with Forward Body Bias in a 90-nm Technology and Beyond
Yoshihide KOMATSU  Yukio ARIMA  Koichiro ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 384-391
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: Soft Error
Keyword: 
cosmic-raycritical chargeforward body biasalpha-particlessoft error rate
  Summary |  Full Text:PDF (1.3MB)

Low-Voltage and Low-Power Logic, Memory, and Analog Circuit Techniques for SoCs Using 90 nm Technology and Beyond
Koichiro ISHIBASHI  Tetsuya FUJIMOTO  Takahiro YAMASHITA  Hiroyuki OKADA  Yukio ARIMA  Yasuyuki HASHIMOTO  Kohji SAKATA  Isao MINEMATSU  Yasuo ITOH  Haruki TODA  Motoi ICHIHASHI  Yoshihide KOMATSU  Masato HAGIWARA  Toshiro TSUKADA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/03/01
Vol. E89-C  No. 3  pp. 250-262
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design Technology in the Sub-100 nm Era)
Category: INVITED
Keyword: 
low powerCMOSSoC90 nmlow voltagevariability
  Summary |  Full Text:PDF (2.1MB)

FOREWORD
Koichiro ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 467-467
Type of Manuscript: FOREWORD
Category: 
Keyword: 
  Summary |  Full Text:PDF (41.9KB)

CMOS Process Compatible ie-Flash (Inverse Gate Electrode Flash) Technology for System-on-a Chip
Shoji SHUKURI  Kazumasa YANAGISAWA  Koichiro ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/06/01
Vol. E84-C  No. 6  pp. 734-739
Type of Manuscript: Special Section PAPER (Special Issue on Nonvolatile Memories)
Category: Flash Memories
Keyword: 
ie-FlashEPROMfuse and redundancy
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A 2-ns-Access, 285-MHz, Two-Port Cache Macro Using Double Global Bit-Line Pairs
Kenichi OSADA  Hisayuki HIGUCHI  Koichiro ISHIBASHI  Naotaka HASHIMOTO  Kenji SHIOZAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2000/01/20
Vol. E83-C  No. 1  pp. 109-114
Type of Manuscript: PAPER
Category: Electronic Circuits
Keyword: 
cacheSRAMlow powertwo-portmicroprocessor
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Analog Circuit Design Methodology in a Low Power RISC Microprocessor
Koichiro ISHIBASHI  Hisayuki HIGUCHI  Toshinobu SHIMBO  Kunio UCHIYAMA  Kenji SHIOZAWA  Naotaka HASHIMOTO  Shuji IKEDA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/02/20
Vol. E81-A  No. 2  pp. 210-217
Type of Manuscript: INVITED PAPER (Special Section on Analog Circuit Techniques in the Digital-Oriented Era)
Category: 
Keyword: 
microprocessorTLBCAM0. 35 µmCMOS
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A 6.93-µm2 Full CMOS SRAM Cell Technology for 1.8-V High-Performance Cache Memory
Masataka MINAMI  Nagatoshi OHKI  Hiroshi ISHIDA  Toshiaki YAMANAKA  Akihiro SHIMIZU  Koichiro ISHIBASHI  Akira SATOH  Tokuo KURE  Takashi NISHIDA  Takahiro NAGANO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/04/20
Vol. E80-C  No. 4  pp. 590-596
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
SRAMfull CMOS celllocal interconnectTiN
  Summary |  Full Text:PDF (636.3KB)

An 8-mW, 8-kB Cache Memory Using an Automatic-Power-Save Architecture for Low Power RISC Microprocessors
Yasuhisa SHIMAZAKI  Katsuhiro NORISUE  Koichiro ISHIBASHI  Hideo MAEJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/12/20
Vol. E79-C  No. 12  pp. 1693-1698
Type of Manuscript: Special Section PAPER (Special Issue on Low-Power LSI Technologies)
Category: 
Keyword: 
RISC microprocessorcache memorylow power
  Summary |  Full Text:PDF (653.1KB)

High-Speed CMOS SRAM Technologies for Cache Applications
Koichiro ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/06/20
Vol. E79-C  No. 6  pp. 724-734
Type of Manuscript: INVITED PAPER (Special Issue on ULSI Memory Technology)
Category: Static RAMs
Keyword: 
CMOS SRAMcachewave-pipelinedsense amplifierlow-voltage
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A 6-ns 4-Mb CMOS SRAM with Offset-Voltage-Insensitive Current Sense Amplifiers
Koichiro ISHIBASHI  Koichi TAKASUGI  Kunihiro KOMIYAJI  Hiroshi TOYOSHIMA  Toshiaki YAMANAKA  Akira FUKAMI  Naotaka HASHIMOTO  Nagatoshi OHKI  Akihiro SHIMIZU  Takashi HASHIMOTO  Takahiro NAGANO  Takashi NISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1995/06/20
Vol. E78-C  No. 6  pp. 728-734
Type of Manuscript: Special Section PAPER (Special Issue on the 1994 VLSI Circuits Symposium (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol. 30, No. 4 April 1995))
Category: 
Keyword: 
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A 12.5-ns 16-Mb CMOS SRAM with Common-Centroid-Geometry-Layout Sense Amplifiers
Koichiro ISHIBASHI  Kunihiro KOMIYAJI  Sadayuki MORITA  Toshiro AOTO  Shuji IKEDA  Kyoichiro ASAYAMA  Atsuyosi KOIKE  Toshiaki YAMANAKA  Naotaka HASHIMOTO  Haruhito IIDA  Fumio KOJIMA  Koichi MOTOHASHI  Katsuro SASAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/05/20
Vol. E77-C  No. 5  pp. 741-748
Type of Manuscript: Special Section PAPER (Special Section on the 1993 VLSI Circuits Symposium (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol.29, No.4 April 1994))
Category: 
Keyword: 
  Summary |  Full Text:PDF (684.6KB)

A 1.7-V Adjustable I/O Interface for Low-Voltage Fast SRAM's
Koichiro ISHIBASHI  Katsuro SASAKI  Toshiaki YAMANAKA  Hiroshi TOYOSHIMA  Fumio KOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/04/20
Vol. E75-C  No. 4  pp. 572-575
Type of Manuscript: Special Section LETTER (Joint Special Issue on the 1991 VLSI Circuits Symposium)
Category: 
Keyword: 
  Summary |  Full Text:PDF (389.9KB)