Relation between breakdown mode and breakdown location in short channel NMOSFETs and its impact on reliability specifications

被引:122
作者
Degraeve, R [1 ]
Kaczer, B [1 ]
De Keersgieter, A [1 ]
Groeseneken, G [1 ]
机构
[1] IMEC, B-3001 Louvain, Belgium
来源
39TH ANNUAL PROCEEDINGS: INTERNATIONAL RELIABILITY PHYSICS SYMPOSIUM 2001 | 2001年
关键词
soft breakdown; hard breakdown; oxide reliability;
D O I
10.1109/RELPHY.2001.922928
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 method to determine the breakdown position in short channel nmosfets is introduced. We find that soft breakdown occurs exclusively in the transistor channel while the hardest circuit killing breakdowns occur above the source and drain extension regions. Since these breakdowns make up only a small fraction of all breakdowns, a relaxation of the reliability specification is possible.
引用
收藏
页码:360 / 366
页数:7
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