A system-level platform for dependability enhancement and its analysis for mixed-signal SoCs

14th IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems Pub Date : 2011-04-13 DOI:10.1109/DDECS.2011.5783040

Muhammad Umair Ahmed Khan, H. Kerkhoff

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引用次数: 7

Abstract

The long-term functionality of any electronic system poses some requirements on the dependability of that system. Especially for critical systems it is becoming a crucial property with increasing system complexity and shrinking technology dimensions. Analog and mixed-signal systems are an important part of these critical systems. Until now little effort has been put into dependability of analog and mixed-signal systems, especially front/back-ends. This paper presents a new system-level platform for enhancing and analyzing the dependability of analog and mixed-signal front-ends in SoCs. Markov analysis has been used to theoretically investigate the dependability enhancement of these analog and mixed-signal front-ends based on this platform. Simulations in VHDL-AMS have also been conducted for an example target system consisting of a temperature sensor, operational amplifier and ADC to illustrate this platform. The gain parameter of the whole system, taken as an example of potential dependability hazard, has been investigated and enhanced based on this platform. The results show that this proposed platform is effective and has the potential to investigate and enhance dependability at system level.

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混合信号soc可靠性增强的系统级平台及其分析

任何电子系统的长期功能都对该系统的可靠性提出了一些要求。特别是对于关键系统，随着系统复杂性的增加和技术尺寸的缩小，它成为一个至关重要的特性。模拟和混合信号系统是这些关键系统的重要组成部分。到目前为止，对模拟和混合信号系统的可靠性，特别是前端/后端可靠性的研究还很少。本文提出了一种新的系统级平台，用于提高和分析soc中模拟和混合信号前端的可靠性。利用马尔可夫分析从理论上研究了基于该平台的模拟和混合信号前端可靠性的增强。在VHDL-AMS中对一个由温度传感器、运算放大器和ADC组成的示例目标系统进行了仿真，以说明该平台。以整个系统的增益参数为例，对系统的潜在可靠性危害进行了研究和改进。结果表明，该平台是有效的，具有在系统层面研究和提高可靠性的潜力。

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14th IEEE International Symposium on Design and Diagnostics of Electronic Circuits and Systems

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