Katsumi DOSAKA


A Complete Charge Recycling TCAM with Checkerboard Array Arrangement for Low Power Applications
Katsumi DOSAKA  Daisuke OGAWA  Takahito KUSUMOTO  Masayuki MIYAMA  Yoshio MATSUDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/05/01
Vol. E93-C  No. 5  pp. 685-695
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
TCAMcharge recyclinglow powerlow noiselow operating current
  Summary |  Full Text:PDF (4.3MB)

On-Chip Memory Power-Cut Scheme Suitable for Low Power SoC Platform
Hiroki SHIMANO  Fukashi MORISHITA  Katsumi DOSAKA  Kazutami ARIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/03/01
Vol. E92-C  No. 3  pp. 356-363
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
power managementlow voltage scalabilitySoC memory platform
  Summary |  Full Text:PDF (1.2MB)

Integration Architecture of Content Addressable Memory and Massive-Parallel Memory-Embedded SIMD Matrix for Versatile Multimedia Processor
Takeshi KUMAKI  Masakatsu ISHIZAKI  Tetsushi KOIDE  Hans Jurgen MATTAUSCH  Yasuto KURODA  Takayuki GYOHTEN  Hideyuki NODA  Katsumi DOSAKA  Kazutami ARIMOTO  Kazunori SAITO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/09/01
Vol. E91-C  No. 9  pp. 1409-1418
Type of Manuscript: Special Section PAPER (Special Section on Advanced Processors Based on Novel Concepts in Computation)
Category: 
Keyword: 
content addressable memoryCAMmatrix-processing architectureSIMDbit-serial and word-paralleltable-lookup codingDCTHuffman codingJPEG
  Summary |  Full Text:PDF (614.1KB)

A Voltage Scalable Advanced DFM RAM with Accelerated Screening for Low Power SoC Platform
Hiroki SHIMANO  Fukashi MORISHITA  Katsumi DOSAKA  Kazutami ARIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/10/01
Vol. E90-C  No. 10  pp. 1927-1935
Type of Manuscript: Special Section PAPER (Special Section on VLSI Technology toward Frontiers of New Market)
Category: Next-Generation Memory for SoC
Keyword: 
DFM RAM2 cell/bitlow voltage scalabilityscreening testSoC memory platform
  Summary |  Full Text:PDF (1.2MB)

Acceleration of DCT Processing with Massive-Parallel Memory-Embedded SIMD Matrix Processor
Takeshi KUMAKI  Masakatsu ISHIZAKI  Tetsushi KOIDE  Hans Jurgen MATTAUSCH  Yasuto KURODA  Hideyuki NODA  Katsumi DOSAKA  Kazutami ARIMOTO  Kazunori SAITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/08/01
Vol. E90-D  No. 8  pp. 1312-1315
Type of Manuscript: LETTER
Category: Image Processing and Video Processing
Keyword: 
DCTfast DCTmatrix-processing engineSIMDbit-serial and word-parallel
  Summary |  Full Text:PDF (486.1KB)

A Capacitorless Twin-Transistor Random Access Memory (TTRAM) on SOI
Fukashi MORISHITA  Hideyuki NODA  Isamu HAYASHI  Takayuki GYOHTEN  Mako OKAMOTO  Takashi IPPOSHI  Shigeto MAEGAWA  Katsumi DOSAKA  Kazutami ARIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/04/01
Vol. E90-C  No. 4  pp. 765-771
Type of Manuscript: Special Section PAPER (Special Section on Low-Power, High-Speed LSIs and Related Technologies)
Category: Memory
Keyword: 
SOIcapacitorlessDRAMlow powerdata retention
  Summary |  Full Text:PDF (933KB)

Real-Time Huffman Encoder with Pipelined CAM-Based Data Path and Code-Word-Table Optimizer
Takeshi KUMAKI  Yasuto KURODA  Masakatsu ISHIZAKI  Tetsushi KOIDE  Hans Jurgen MATTAUSCH  Hideyuki NODA  Katsumi DOSAKA  Kazutami ARIMOTO  Kazunori SAITO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2007/01/01
Vol. E90-D  No. 1  pp. 334-345
Type of Manuscript: PAPER
Category: Image Processing and Video Processing
Keyword: 
content addressable memoryCAMHuffman codingparallel processingpipelinecode word table
  Summary |  Full Text:PDF (2.1MB)

A Reliability-Enhanced TCAM Architecture with Associated Embedded DRAM and ECC
Hideyuki NODA  Katsumi DOSAKA  Hans Jurgen MATTAUSCH  Tetsushi KOIDE  Fukashi MORISHITA  Kazutami ARIMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/11/01
Vol. E89-C  No. 11  pp. 1612-1619
Type of Manuscript: Special Section PAPER (Special Section on Novel Device Architectures and System Integration Technologies)
Category: 
Keyword: 
soft errorECCTCAMembeddedDRAM
  Summary |  Full Text:PDF (1.2MB)

An On-Chip Supply-Voltage Control System Considering PVT Variations for Worst-Caseless Lower Voltage SoC Design
Takayuki GYOHTEN  Fukashi MORISHITA  Isamu HAYASHI  Mako OKAMOTO  Hideyuki NODA  Katsumi DOSAKA  Kazutami ARIMOTO  Yasutaka HORIBA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/11/01
Vol. E89-C  No. 11  pp. 1519-1525
Type of Manuscript: Special Section PAPER (Special Section on Novel Device Architectures and System Integration Technologies)
Category: 
Keyword: 
PVT variationtemperature detectionseries regulator
  Summary |  Full Text:PDF (1.5MB)

A Study of Sense-Voltage Margins in Low-Voltage-Operating Embedded DRAM Macros
Akira YAMAZAKI  Fukashi MORISHITA  Naoya WATANABE  Teruhiko AMANO  Masaru HARAGUCHI  Hideyuki NODA  Atsushi HACHISUKA  Katsumi DOSAKA  Kazutami ARIMOTO  Setsuo WAKE  Hideyuki OZAKI  Tsutomu YOSHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/10/01
Vol. E88-C  No. 10  pp. 2020-2027
Type of Manuscript: PAPER
Category: Integrated Electronics
Keyword: 
embedded memoryDRAMvoltage marginlow voltagesystem on chip
  Summary |  Full Text:PDF (909.8KB)

Embedded Low-Power Dynamic TCAM Architecture with Transparently Scheduled Refresh
Hideyuki NODA  Kazunari INOUE  Hans Jurgen MATTAUSCH  Tetsushi KOIDE  Katsumi DOSAKA  Kazutami ARIMOTO  Kazuyasu FUJISHIMA  Kenji ANAMI  Tsutomu YOSHIHARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/04/01
Vol. E88-C  No. 4  pp. 622-629
Type of Manuscript: Special Section PAPER (Special Section on Low-Power LSI and Low-Power IP)
Category: Memory
Keyword: 
CMOSTernary CAMnetworkrefresh
  Summary |  Full Text:PDF (1.3MB)

An Embedded DRAM Hybrid Macro with Auto Signal Management and Enhanced-on-Chip Tester
Naoya WATANABE  Fukashi MORISHITA  Yasuhiko TAITO  Akira YAMAZAKI  Tetsushi TANIZAKI  Katsumi DOSAKA  Yoshikazu MOROOKA  Futoshi IGAUE  Katsuya FURUE  Yoshihiro NAGURA  Tatsunori KOMOIKE  Toshinori MORIHARA  Atsushi HACHISUKA  Kazutami ARIMOTO  Hideyuki OZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/04/01
Vol. E86-C  No. 4  pp. 624-634
Type of Manuscript: Special Section PAPER (Special Issue on High-Performance, Low-Power System LSIs and Related Technologies)
Category: Design Methods and Implementation
Keyword: 
embedded DRAMvarious DRAM macroslow voltage operationshort TATBIST
  Summary |  Full Text:PDF (5.2MB)

Accomplishment of At-Speed BISR for Embedded DRAMs
Yoshihiro NAGURA  Yoshinori FUJIWARA  Katsuya FURUE  Ryuji OHMURA  Tatsunori KOMOIKE  Takenori OKITAKA  Tetsushi TANIZAKI  Katsumi DOSAKA  Kazutami ARIMOTO  Yukiyoshi KODA  Tetsuo TADA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2002/10/01
Vol. E85-D  No. 10  pp. 1498-1505
Type of Manuscript: Special Section PAPER (Special Issue on Test and Verification of VLSI)
Category: BIST
Keyword: 
at-speed testBISRembedded DRAMtest cost reduction
  Summary |  Full Text:PDF (2.2MB)

A 0.18 µm 32 Mb Embedded DRAM Macro for 3-D Graphics Controller
Akira YAMAZAKI  Takeshi FUJINO  Kazunari INOUE  Isamu HAYASHI  Hideyuki NODA  Naoya WATANABE  Fukashi MORISHITA  Katsumi DOSAKA  Yoshikazu MOROOKA  Shinya SOEDA  Kazutami ARIMOTO  Setsuo WAKE  Kazuyasu FUJISHIMA  Hideyuki OZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/09/01
Vol. E85-C  No. 9  pp. 1697-1708
Type of Manuscript: PAPER
Category: Electronic Circuits
Keyword: 
embedded DRAMsystem on chip3-D graphics concurrent operation
  Summary |  Full Text:PDF (2.2MB)

A 90-MHz 16-Mb System Integrated Memory with Direct Interface to CPU
Katsumi DOSAKA  Akira YAMAZAKI  Naoya WATANABE  Hideaki ABE  Jun OHTANI  Toshiyuki OGAWA  Kazunori ISHIHARA  Masaki KUMANOYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/07/20
Vol. E79-C  No. 7  pp. 948-956
Type of Manuscript: Special Section PAPER (Special Issue on the 1995 Symposium on VLSI Circuits (Joint Issue with the IEEE Journal of Solid-State Circuits, Vol.31, No.4 April 1996))
Category: Memory
Keyword: 
  Summary |  Full Text:PDF (754.9KB)

Trends in High-Speed DRAM Architectures
Masaki KUMANOYA  Toshiyuki OGAWA  Yasuhiro KONISHI  Katsumi DOSAKA  Kazuhiro SHIMOTORI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/04/20
Vol. E79-C  No. 4  pp. 472-481
Type of Manuscript: INVITED PAPER (Special Issue on Ultra-High-Speed LSIs)
Category: 
Keyword: 
reviewDRAMhigh-speed DRAMmain memorygraphics memoryperformance gapbandwidth bottleneckperformance comparisonhigh-speed I/O interfaceunified memorysystem integration
  Summary |  Full Text:PDF (853.9KB)