Fully on-chip MAC at 14nm enabled by accurate row-wise programming of PCM-based weights and parallel vector-transport in duration-format
- P. Narayanan
- S. Ambrogio
- et al.
- 2021
- VLSI 2021
Bio
Masatoshi Ishii is a Research Scientist at IBM Research -Tokyo. He joined IBM in 1998, where he has been engaged in broad electrical engineering fields including full-custom SRAM circuit design, HDL digital circuit design, chip evaluation using FPGAs, wafer testing, signal and power integrity analysis, and printed circuit board design. His research interests include architectures and circuits with emerging memory technologies and the design of energy efficient architectures.
- ORCID: 0000-0003-0794-7232
- Google Scholar: zQqKuIEAAAAJ
Publications
On-Chip Trainable 1.4M 6T2R PCM Synaptic Array with 1.6K Stochastic LIF Neurons for Spiking RBM
- Masatoshi Ishii
- U. Shin
- et al.
- 2019
- IEDM 2019
Analysis of Effect of Weight Variation on SNN Chip with PCM-Refresh Method
- A. Nomura
- M. Ito
- et al.
- 2019
- Neural Processing Letters
Lightweight Refresh Method for PCM-based Neuromorphic Circuits
- M. Ito
- Masatoshi Ishii
- et al.
- 2018
- NANO 2018
Neuromorphic computing using non-volatile memory
- Geoffrey W. Burr
- Robert M. Shelby
- et al.
- 2016
- Advances in Physics: X
NVM neuromorphic core with 64k-cell (256-by-256) phase change memory synaptic array with on-chip neuron circuits for continuous in-situ learning
- Sangbum Kim
- Masatoshi Ishii
- et al.
- 2015
- IEDM 2015
1 Mb 0.41 μm2; 2T-2R cell nonvolatile TCAM with two-bit encoding and clocked self-referenced sensing
- Jing Li
- Robert K. Montoye
- et al.
- 2014
- IEEE JSSC
1Mb 0.41 μm2 2T-2R cell nonvolatile TCAM with two-bit encoding and clocked self-referenced sensing
- Jing Li
- Robert Montoye
- et al.
- 2013
- VLSI Circuits 2013
1Mb 0.41 μm2 2T-2R cell nonvolatile TCAM with two-bit encoding and clocked self-referenced sensing
- Jing Li
- Robert Montoye
- et al.
- 2013
- VLSI Technology 2013
Patents
- US
- 12124946
- GB
- 2616393
- CN
- ZL201980008114.1
- JP
- 7413367
- US
- 11823740
- US
- 11763139
- US
- 11741353
- JP
- 7228320
- GB
- 2583302
- GB
- 2593081
Top collaborators
AO
Atsuya Okazaki
Senior Research Scientist
ST
Sidney Tsai
Manager, PRSM, AI Hardware and Cloud/AI for EDA
AN
Akiyo Nomura
Staff Research Scientist
VN
Vijay Narayanan
IBM Fellow & Strategist, Physics of AI. Senior Manager, PCM and AI Materials