gg-nMOS静电放电保护装置触发的三维现象研究

M. Litzenberger, C. Furbock, D. Pogany, E. Gornik, K. Esmark, H. Gossner
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引用次数: 6

摘要

采用激光干涉技术研究了0.35 μm工艺接地栅nMOS静电放电保护器件在大电流应力下寄生双极晶体管的触发不均匀性。研究了部分触发和完全触发器件中电流密度和触发宽度随应力电流的变化规律。在实验、三维仿真和简单模型的基础上,我们解释了观察到的大电流I-V特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Investigation of 3D Phenomena in the Triggering of gg-nMOS Electrostatic Discharge Protection Devices
We study inhomogeneity in the triggering of the parasitic bipolar transistor during high current stress in the 0.35 μm process grounded-gate nMOS electrostatic discharge (ESD) protection devices by a laser interferometric technique. The current density and triggering width in partially and fully triggered devices are studied as a function of stress current. On the basis of experiments, 3D simulation and a simple model we explain the observed high current I-V characteristics.
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