Technology, performance, and computer-aided design of three-dimensional integrated circuits

  • Authors:
  • Shamik Das;Andy Fan;Kuan-Neng Chen;Chuan Seng Tan;Nisha Checka;Rafael Reif

  • Affiliations:
  • Massachusetts Institute of Technology, Cambridge, MA;Massachusetts Institute of Technology, Cambridge, MA;Massachusetts Institute of Technology, Cambridge, MA;Massachusetts Institute of Technology, Cambridge, MA;Massachusetts Institute of Technology, Cambridge, MA;Massachusetts Institute of Technology, Cambridge, MA

  • Venue:
  • Proceedings of the 2004 international symposium on Physical design
  • Year:
  • 2004

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Abstract

We present an overview of a new monolithic fabrication technology known as three-dimensional integration. 3D integration refers to any process by which multiple conventional device layers may be stacked and electrically interconnected. By combining state-of-the-art single-wafer integration with a high-density inter-wafer interconnect, our 3D integration process is capable of providing improved circuit performance in terms of metrics such as wire length, area, timing, and energy consumption. In this paper, we will discuss the overall 3D integration process flow, as well as specific technological challenges and the issues they present to circuit designers. We will also describe how these issues may be tackled during the placement, routing, and layout stages of physical design. Finally, we will present some performance results that may be obtained by integrating circuits in three dimensions.