Three-Dimensional Integrated Circuits: Performance, Design Methodology, and CAD Tools

  • Authors:
  • Shamik Das;Anantha Chandrakasan;Rafael Reif

  • Affiliations:
  • -;-;-

  • Venue:
  • ISVLSI '03 Proceedings of the IEEE Computer Society Annual Symposium on VLSI (ISVLSI'03)
  • Year:
  • 2003

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Abstract

hree-dimensional integration technologies have beenproposed in order to mitigate design challenges posed bydeep-submicron interconnect. By providing multiple layersof active devices together with high-density local interconnects between these layers,3-D technologies give digital-circuit designers greater freedom in meeting power and delay budgets that are increasingly interconnect-dominated.In this paper, we quantify the benefits 3-D integration canprovide, using specific circuit benchmarks.We perform thisanalysis using a suite of circuit design tools we have developed for 3-D integration. We observe that on average, 28%to 51% reduction in total wire length is possible over twoto five wafers respectively; similarly, 31% to 56% reduction in the length of the longest wire is achievable.We alsocharacterize the impact of technology parameters on thesereductions.