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Hierarchical Simulation of Process Variations and Their Impact on Circuits and Systems: Methodology
Ist Teil von
IEEE transactions on electron devices, 2011-08, Vol.58 (8), p.2218-2226
Ort / Verlag
New York: IEEE
Erscheinungsjahr
2011
Quelle
IEEE Electronic Library Online
Beschreibungen/Notizen
Process variations increasingly challenge the manufacturability of advanced devices and the yield of integrated circuits. Technology computer-aided design (TCAD) has the potential to make key contributions to minimize this problem, by assessing the impact of certain variations on the device, circuit, and system. In this way, TCAD can provide the information necessary to decide on investments in the processing level or the adoption of a more variation tolerant process flow, device architecture, or design on circuit or chip level. In this first of two consecutive papers, sources of process variations and the state of the art of related simulation tools are reviewed. An approach for hierarchical simulation of process variations including their correlations is presented. The second paper, also published in this issue, presents examples of simulation results obtained with this methodology.