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Shunsuke Okumura
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2020 – today
- 2024
- [c20]Koichi Nose, Taro Fujii, Katsumi Togawa, Shunsuke Okumura, Kentaro Mikami, Daichi Hayashi, Teruhito Tanaka, Takao Toi:
20.3 A 23.9TOPS/W @ 0.8V, 130TOPS AI Accelerator with 16× Performance-Accelerable Pruning in 14nm Heterogeneous Embedded MPU for Real-Time Robot Applications. ISSCC 2024: 364-366
2010 – 2019
- 2019
- [c19]Shunsuke Okumura, Makoto Yabuuchi, Kenichiro Hijioka, Koichi Nose:
A Ternary Based Bit Scalable, 8.80 TOPS/W CNN accelerator with Many-core Processing-in-memory Architecture with 896K synapses/mm2. VLSI Circuits 2019: 248- - 2014
- [j17]Yohei Nakata, Yuta Kimi, Shunsuke Okumura, Jinwook Jung, Takuya Sawada, Taku Toshikawa, Makoto Nagata, Hirofumi Nakano, Makoto Yabuuchi, Hidehiro Fujiwara, Koji Nii, Hiroyuki Kawai, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm Resilient Cache Memory for Dynamic Variation Tolerance Delivering ×91 Failure Rate Improvement under 35% Supply Voltage Fluctuation. IEICE Trans. Electron. 97-C(4): 332-341 (2014) - [c18]Yohei Nakata, Yuta Kimi, Shunsuke Okumura, Jinwook Jung, Takuya Sawada, Taku Toshikawa, Makoto Nagata, Hirofumi Nakano, Makoto Yabuuchi, Hidehiro Fujiwara, Koji Nii, Hiroyuki Kawai, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm resilient cache memory for dynamic variation tolerance with bit-enhancing memory and on-chip diagnosis structures delivering ×91 failure rate improvement. ISQED 2014: 16-23 - 2013
- [j16]Jinwook Jung, Yohei Nakata, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Reconfiguring Cache Associativity: Adaptive Cache Design for Wide-Range Reliable Low-Voltage Operation Using 7T/14T SRAM. IEICE Trans. Electron. 96-C(4): 528-537 (2013) - [j15]Shusuke Yoshimoto, Shunsuke Okumura, Koji Nii, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Multiple-Cell-Upset Tolerant 6T SRAM Using NMOS-Centered Cell Layout. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 96-A(7): 1579-1585 (2013) - [c17]Shusuke Yoshimoto, Masaharu Terada, Shunsuke Okumura, Toshikazu Suzuki, Shinji Miyano, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 0.5-V 12.9-pJ/Access 8T SRAM using low-power disturb mitigation technique. ASP-DAC 2013: 77-78 - [c16]Shunsuke Okumura, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A physical unclonable function chip exploiting load transistors' variation in SRAM bitcells. ASP-DAC 2013: 79-80 - 2012
- [j14]Shunsuke Okumura, Yohei Nakata, Koji Yanagida, Yuki Kagiyama, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Low-energy block-level instantaneous comparison 7T SRAM for dual modular redundancy. IEICE Electron. Express 9(6): 470-476 (2012) - [j13]Shusuke Yoshimoto, Masaharu Terada, Shunsuke Okumura, Toshikazu Suzuki, Shinji Miyano, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 256-Kb Half-Select Resilient 8T SRAM with Sequential Writing Technique. IEICE Electron. Express 9(12): 1023-1029 (2012) - [j12]Shusuke Yoshimoto, Masaharu Terada, Shunsuke Okumura, Toshikazu Suzuki, Shinji Miyano, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 0.5-V 12.9-pJ/Access 8T SRAM Using Low-Energy Disturb Mitigation Scheme. IEICE Trans. Electron. 95-C(4): 572-578 (2012) - [j11]Shunsuke Okumura, Hidehiro Fujiwara, Kosuke Yamaguchi, Shusuke Yoshimoto, Masahiko Yoshimoto, Hiroshi Kawaguchi:
A 0.15-µm FD-SOI Substrate Bias Control SRAM with Inter-Die Variability Compensation Scheme. IEICE Trans. Electron. 95-C(4): 579-585 (2012) - [j10]Shusuke Yoshimoto, Takuro Amashita, Shunsuke Okumura, Koji Nii, Masahiko Yoshimoto, Hiroshi Kawaguchi:
Bit-Error and Soft-Error Resilient 7T/14T SRAM with 150-nm FD-SOI Process. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(8): 1359-1365 (2012) - [j9]Shusuke Yoshimoto, Takuro Amashita, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Multiple-Bit-Upset and Single-Bit-Upset Resilient 8T SRAM Bitcell Layout with Divided Wordline Structure. IEICE Trans. Electron. 95-C(10): 1675-1681 (2012) - [j8]Shunsuke Okumura, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 128-bit Chip Identification Generating Scheme Exploiting Load Transistors' Variation in SRAM Bitcells. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 95-A(12): 2226-2233 (2012) - [j7]Yohei Nakata, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
0.5-V 4-MB Variation-Aware Cache Architecture Using 7T/14T SRAM and Its Testing Scheme. Inf. Media Technol. 7(2): 544-555 (2012) - [j6]Yohei Nakata, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
0.5-V 4-MB Variation-Aware Cache Architecture Using 7T/14T SRAM and Its Testing Scheme. IPSJ Trans. Syst. LSI Des. Methodol. 5: 32-43 (2012) - [c15]Koji Kugata, Shinpei Soda, Yohei Nakata, Shunsuke Okumura, Shintaro Izumi, Masahiko Yoshimoto, Hiroshi Kawaguchi:
Processor Coupling Architecture for Aggressive Voltage Scaling on Multicores. ARCS Workshops 2012: 375-384 - [c14]Shusuke Yoshimoto, Masaharu Terada, Youhei Umeki, Shunsuke Okumura, Atsushi Kawasumi, Toshikazu Suzuki, Shinichi Moriwaki, Shinji Miyano, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 256-Kb Sub-10 pJ/Access 8t SRAM with read bitline amplitude limiting (RBAL) scheme. ISLPED 2012: 85-90 - [c13]Masaharu Terada, Shusuke Yoshimoto, Shunsuke Okumura, Toshikazu Suzuki, Shinji Miyano, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 40-nm 256-Kb 0.6-V operation half-select resilient 8T SRAM with sequential writing technique enabling 367-mV VDDmin reduction. ISQED 2012: 489-492 - [c12]Yuki Kagiyama, Shunsuke Okumura, Koji Yanagida, Shusuke Yoshimoto, Yohei Nakata, Shintaro Izumi, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Bit error rate estimation in SRAM considering temperature fluctuation. ISQED 2012: 516-519 - 2011
- [j5]Shunsuke Okumura, Yuki Kagiyama, Yohei Nakata, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
7T SRAM Enabling Low-Energy Instantaneous Block Copy and Its Application to Transactional Memory. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 94-A(12): 2693-2700 (2011) - [j4]Hiroki Noguchi, Yusuke Iguchi, Hidehiro Fujiwara, Shunsuke Okumura, Koji Nii, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Design Choice in 45-nm Dual-Port SRAM - 8T, 10T Single End, and 10T Differential. Inf. Media Technol. 6(2): 296-306 (2011) - [j3]Hiroki Noguchi, Yusuke Iguchi, Hidehiro Fujiwara, Shunsuke Okumura, Koji Nii, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Design Choice in 45-nm Dual-Port SRAM - 8T, 10T Single End, and 10T Differential. IPSJ Trans. Syst. LSI Des. Methodol. 4: 80-90 (2011) - [c11]Shunsuke Okumura, Yohei Nakata, Koji Yanagida, Yuki Kagiyama, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Low-power block-level instantaneous comparison 7T SRAM for dual modular redundancy. CICC 2011: 1-4 - [c10]Yohei Nakata, Yasuhiro Ito, Yasuo Sugure, Shigeru Oho, Yusuke Takeuchi, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Model-based fault injection for failure effect analysis - Evaluation of dependable SRAM for vehicle control units. DSN Workshops 2011: 91-96 - [c9]Shunsuke Okumura, Shusuke Yoshimoto, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 128-bit chip identification generating scheme exploiting SRAM bitcells with failure rate of 4.45 × 10-19. ESSCIRC 2011: 527-530 - [c8]Jinwook Jung, Yohei Nakata, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
256-KB associativity-reconfigurable cache with 7T/14T SRAM for aggressive DVS down to 0.57 V. ICECS 2011: 524-527 - [c7]Hiroki Noguchi, Shunsuke Okumura, Tomoya Takagi, Koji Kugata, Masahiko Yoshimoto, Hiroshi Kawaguchi:
0.45-V operating Vt-variation tolerant 9T/18T dual-port SRAM. ISQED 2011: 219-222 - [c6]Masahiro Yoshikawa, Shunsuke Okumura, Yohei Nakata, Yuki Kagiyama, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Block-basis on-line BIST architecture for embedded SRAM using wordline and bitcell voltage optimal control. ISQED 2011: 322-325 - [i1]Shunsuke Okumura, Takuya Sawada, Paul H. Kyzivat:
Session Initiation Protocol (SIP) Usage of the Offer/Answer Model. RFC 6337: 1-33 (2011) - 2010
- [c5]Shunsuke Okumura, Shusuke Yoshimoto, Kosuke Yamaguchi, Yohei Nakata, Hiroshi Kawaguchi, Masahiko Yoshimoto:
7T SRAM enabling low-energy simultaneous block copy. CICC 2010: 1-4 - [c4]Yohei Nakata, Shunsuke Okumura, Hiroshi Kawaguchi, Masahiko Yoshimoto:
0.5-V operation variation-aware word-enhancing cache architecture using 7T/14T hybrid SRAM. ISLPED 2010: 219-224
2000 – 2009
- 2009
- [j2]Hidehiro Fujiwara, Shunsuke Okumura, Yusuke Iguchi, Hiroki Noguchi, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A Dependable SRAM with 7T/14T Memory Cells. IEICE Trans. Electron. 92-C(4): 423-432 (2009) - [c3]Shunsuke Okumura, Yusuke Iguchi, Shusuke Yoshimoto, Hidehiro Fujiwara, Hiroki Noguchi, Koji Nii, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 0.56-V 128kb 10T SRAM using column line assist (CLA) scheme. ISQED 2009: 659-663 - [c2]Hidehiro Fujiwara, Shunsuke Okumura, Yusuke Iguchi, Hiroki Noguchi, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 7T/14T Dependable SRAM and its Array Structure to Avoid Half Selection. VLSI Design 2009: 295-300 - 2008
- [j1]Hiroki Noguchi, Yusuke Iguchi, Hidehiro Fujiwara, Shunsuke Okumura, Yasuhiro Morita, Koji Nii, Hiroshi Kawaguchi, Masahiko Yoshimoto:
A 10T Non-precharge Two-Port SRAM Reducing Readout Power for Video Processing. IEICE Trans. Electron. 91-C(4): 543-552 (2008) - [c1]Hidehiro Fujiwara, Shunsuke Okumura, Yusuke Iguchi, Hiroki Noguchi, Yasuhiro Morita, Hiroshi Kawaguchi, Masahiko Yoshimoto:
Quality of a Bit (QoB): A New Concept in Dependable SRAM. ISQED 2008: 98-102
Coauthor Index
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