Connections 2007
 
Talk 2.5: 9:30AM–10:45AM

Session Name: Advances in Integrated Circuit Design
Session Time: 9:30AM–10:45AM
Author Name: Mike Bichan
Author Email: mbichan@eecg.utoronto.ca
Talk Title: Crosstalk in Chip-to-Chip Links
Slides: 2-5.pdf
Abstract: Crosstalk and inter-symbol interference are major obstacles towards increasing the data rate of chip-to-chip communication links. They are especially important in long, single-ended, parallel links. We find that when crosstalk is the dominant source of received noise, a transmitted pulse shape that combines slew-rate limiting with transmitter pre-emphasis is preferred. We present a framework for choosing a transmit pulse-shape that minimizes the combined effects of both crosstalk and inter-symbol interference. When implementing this optimal pulse shape, filter taps that are fractionally spaced are beneficial. As a test, various pulse shapes were injected into a test channel with three parallel microstrip lines, and the received eye diagrams were measured. The crosstalk-aware pulse shape results in an increased eye opening when compared to square and pre-emphasis pulses.
Research Group: Electronics
Degree Program: Ph.D.
Author Bio: Mike graduated from the University of Toronto Engineering Science program, electrical option, and is now pursuing a Ph.D. in the Electronics Group, supervised by Tony Chan Carusone. The work outlined in this presentation was presentated at the International Symposium on Circuits and Systems in New Orleans on May 28th, 2007.