A multi-story power delivery technique for 3D integrated circuits

  • Authors:
  • Pulkit Jain;Tae-Hyoung Kim;John Keane;Chris H. Kim

  • Affiliations:
  • University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA;University of Minnesota, Minneapolis, MN, USA

  • Venue:
  • Proceedings of the 13th international symposium on Low power electronics and design
  • Year:
  • 2008

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Abstract

Integrating circuits in the vertical direction can alleviate interconnect related problems and enable heterogeneous chips to be stacked in a single package with a small form factor. This paper addresses the power delivery issues in 3D chips revealing some interesting facts and design challenges. A multi-story power delivery technique that can reduce the worst case DC noise by 45% and lower the overhead power consumed in the power supply network by 65% is proposed. A test chip layout in an SOI process, showing a 5.3% area overhead, demonstrates the feasibility of the scheme.