IEEE Transactions on Computers

IEEE Transactions on Computers (TC) is a monthly publication that publishes research in such areas as computer organizations and architectures, digital devices, operating systems, and new and important applications and trends.

From the December 2015 issue

Analytical Fault Tolerance Assessment and Metrics for TSV-Based 3D Network-on-Chip

By Ashkan Eghbal, Pooria M. Yaghini, Nader Bagherzadeh, and Misagh Khayambashi

Featured article thumbnail imageReliability is one of the most challenging problems in the context of three-dimensional network-on-chip (3D NoC) systems. Reliability analysis is prominent for early stages of the manufacturing process in order to prevent costly redesigns of a target system. This article classifies the potential physical faults of a baseline TSV-based 3D NoC architecture by targeting two-dimensional (2D) NoC components and their inter-die connections. In this paper, through-silicon via (TSV) issues, thermal concerns, and single event effect (SEE) are investigated and categorized, in order to propose evaluation metrics for inspecting the resiliency of 3D NoC designs. A reliability analysis for major source of faults is reported in this article separately based on their mean time to failure (MTTF). TSV failure probability induced by inductive and capacitive coupling is also discussed. Finally, the paper provides a formal reliability analysis on the aggregated faults that affect TSV. This formal analysis is critical for estimating the resiliency of different components in order to mitigate the redundancy cost of fault-tolerant design or to examine the efficiency of any proposed fault-tolerant methods for 3D NoC architectures.

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