Reliability-oriented broadcast electrode-addressing for pin-constrained digital microfluidic biochips

Tsung-Wei Huang, Tsung-Yi Ho, K. Chakrabarty
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引用次数: 47

Abstract

Designs for pin-constrained digital microfluidic biochips (PDMFBs) are receiving much attention because they simplify chip fabrication and packaging, and reduce product cost. To reduce the pin count, broadcast addressing, by minimally grouping electrode sets with non-conflict signal merging, has emerged as a promising solution. Nevertheless, naive signal merging has the potential to cause excessive electrode actuations, which has been reported to have direct and adverse effect on chip reliability. According to recent studies, reliability is an important attribute for PDMFBs particularly developed for medical applications as it directly affects the final medical decision making. However, no research findings have been reported on the reliability problem in pin-constrained designs. To make PDMFBs more feasible for practical applications, we propose in this paper the first matching-based reliability-oriented broadcast-addressing algorithm for PDMFBs. We identify the factors that affect reliability and incorporate into the design-technique attributes that enhance reliability. Experimental results demonstrate the effectiveness of the proposed algorithm.
引脚受限数字微流控生物芯片面向可靠性的广播电极寻址
引脚受限型数字微流控生物芯片(pdmfb)的设计因其简化了芯片制造和封装,降低了产品成本而备受关注。为了减少引脚数,广播寻址,通过最小化分组电极集与无冲突的信号合并,已成为一个有前途的解决方案。然而,单纯的信号合并有可能导致过度的电极驱动,这对芯片的可靠性有直接和不利的影响。根据最近的研究,可靠性是专门为医疗应用开发的pdmfb的一个重要属性,因为它直接影响最终的医疗决策。然而,目前还没有关于针约束设计的可靠性问题的研究成果。为了使pdmfb在实际应用中更具可行性,本文提出了首个基于匹配的pdmfb面向可靠性的广播寻址算法。我们确定了影响可靠性的因素,并将其纳入提高可靠性的设计技术属性中。实验结果证明了该算法的有效性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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