[ 演講公告 ] 10/24 13:30 @工四108 A NBTI Reliability Framework from Atoms to Processors

講者:Souvik Mahapatra教授

(印度理工學院孟買分校 Indian Institute of Technology Bombay)

講題:A NBTI Reliability Framework from Atoms to Processors

時間:2018年10月24日下午13時30分

地點:工程四館108室

摘要

In this talk a NBTI (Negative Bias Temperature Instability) reliability framework will be described that can estimate the impact of gate stack processes (atoms) and MOSFET architectures on circuit reliability. A BTI analysis tool will be presented that can analyse experimental data across various technologies and processes. TCAD implementation of the framework will be shown to study FinFET scaling and GAA NSFET architectures having different channel materials and check quantum confinement and strain effects on NBTI. A compact model that can handle circuit degradation under arbitrary gate activity will be discussed, with some examples of circuit degradation under effective workload versus worst case DC cases. A simulation flow will be presented to link device and RO degradation to that of processors, which includes detailed characterization of standard cells under NBTI. Finally, the statistical aspect of SRAM variability and variable reliability will be presented.

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