Confined PCM-based Analog Synaptic Devices offering Low Resistance-drift and 1000 Programmable States for Deep Learning

Autor: K. Suu, G. Fraczak, Wanki Kim, Stefano Ambrogio, M. Longstreet, Jin-Ping Han, T. Masuda, Fabio Carta, Praneet Adusumilli, John Bruley, Nanbo Gong, Matthew J. BrightSky, Robert L. Bruce, Hsinyu Tsai
Rok vydání: 2019
Předmět:
Zdroj: 2019 Symposium on VLSI Technology.
Popis: We have demonstrated, for the first time, a combination of outstanding linearity of analog programming with matched PCM pairs, small analog programming noise, an extremely low resistance drift (R-drift) coefficient (0.005, median) and high endurance for a CVD-based confined phase change memory (PCM) with a thin metallic liner. In-depth analysis of linear analog programming is also presented. MNIST simulations using a pair of these confined PCM devices as a synaptic element yield a high test accuracy of 95%.
Databáze: OpenAIRE