The Impact of BTI Variations on Timing in Digital Logic Circuits

被引:27
作者
Fang, Jianxin [1 ]
Sapatnekar, Sachin S. [1 ]
机构
[1] Univ Minnesota, Dept Elect & Comp Engn, Minneapolis, MN 55455 USA
基金
美国国家科学基金会;
关键词
Bias temperature instability (BTI); circuit reliability; process variation (PV); timing analysis; DEGRADATION; RELIABILITY; NBTI;
D O I
10.1109/TDMR.2013.2237910
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A new framework for analyzing the impact of bias temperature instability (BTI) variations on timing in large-scale digital logic circuits is proposed in this paper. This approach incorporates both the reaction-diffusion model and the charge-trapping model for BTI and embeds these into a temporal statistical static timing analysis framework capturing process variations and path correlations. Experimental results on 32-, 22-, and 16-nm technology models, which were verified through Monte Carlo simulation, confirm that the proposed approach is fast, accurate, and scalable and indicate that BTI variations make a significant contribution to circuit-level timing variations.
引用
收藏
页码:277 / 286
页数:10
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