Comparison of E and 1/E TDDB models for SiO2 under long-term/low-field test conditions

被引:104
作者
McPherson, J [1 ]
Reddy, V [1 ]
Banerjee, K [1 ]
Le, H [1 ]
机构
[1] Texas Instruments Inc, Dallas, TX 75243 USA
来源
INTERNATIONAL ELECTRON DEVICES MEETING 1998 - TECHNICAL DIGEST | 1998年
关键词
D O I
10.1109/IEDM.1998.746310
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 low-field three-year TDDB study was undertaken to clearly understand which TDDB model, E or 1/E, describes the observed time-to-failure data better. The results are unambiguous and strongly suggest that the physics of failure is described much better by the E-model. This has important design-limit implications for thin gate oxides relative to the maximum electric field which can be allowed for reliable operation.
引用
收藏
页码:171 / 174
页数:4
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