低温可靠性对极低温模拟电路的影响

Yuan Chen, L. Westergard, C. Billman, R. Leon, T. Vo, M. White, M. Mojarradi, E. Kolawa
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引用次数: 3

摘要

低温对模拟电路可靠性的影响大于对数字电路可靠性的影响。模拟增益容限可以提供更宽松的判据,而偏置电压判据则更依赖于偏置。对于预先确定的模拟电路偏置失效判据和电路工作温度曲线,可以根据一定的热载子老化寿命要求,对电路中的平衡和不平衡匹配晶体管对生成设计规则,也可以根据一定的不平衡匹配晶体管对/链估算热载子老化寿命
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Cryogenic Reliability Impact on Analog Circuits at Extreme Low Temperatures
Cryogenic temperatures have a greater impact on analog circuit reliability than on digital circuit reliability. Analog gain tolerance may provide a more relaxed criterion while the offset voltage criterion has more bias dependence. For a pre-determined analog circuit offset failure criterion and circuit operating temperature profile, either design rules can be generated for the balanced and unbalanced matching transistor pairs in the circuit for certain hot carrier aging life requirement, or the hot carrier aging life time can be estimated for a certain unbalanced matching transistor pairs/chains
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