A data capturing method for buses on chip

  • Authors:
  • Michael N. Skoufis;Kedar Karmarkar;Spyros Tragoudas;Themistoklis Haniotakis

  • Affiliations:
  • Raytheon Missile Systems, Tucson, AZ;Department of Electrical and Computer Engineering, Southern Illinois University, Carbondale, IL;Department of Electrical and Computer Engineering, Southern Illinois University, Carbondale, IL;Department of Computer Engineering and Informatics, University of Patras, Patras-Rio, Greece

  • Venue:
  • IEEE Transactions on Circuits and Systems Part I: Regular Papers
  • Year:
  • 2010

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Abstract

In this paper, a new data reading technique for a bus of lines is proposed for fast operation. The proposed method utilizes multiple reference voltages available within a line's receiving logic and the initial conditions of wires in order to determine early and accurately the transmitted data of the current cycle. The presented technique does not require repeater insertion for reasonably long lines and it can significantly accelerate signal propagaion. Experimental results are given in the 65 nm CMOS process for interconnects of various lengths.