Analytical Eye-Diagram Model for On-Chip Distortionless Transmission Lines and Its Application to Design Space Exploration

Masanori HASHIMOTO  Jangsombatsiri SIRIPORN  Akira TSUCHIYA  Haikun ZHU  Chung-Kuan CHENG  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E91-A   No.12   pp.3474-3480
Publication Date: 2008/12/01
Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.12.3474
Print ISSN: 0916-8508
Type of Manuscript: Special Section PAPER (Special Section on VLSI Design and CAD Algorithms)
Category: Device and Circuit Modeling and Analysis
Keyword: 
eye-diagram,  on-chip transmission line,  waveform distortion,  resistive termination,  shunt conductance,  

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Summary: 
This paper proposes a closed-form eye-diagram model for on-chip distortionless transmission lines with intentionally inserted shunt conductance. We derive expressions of eye-opening both in voltage and time, by assuming a piece-wise linear waveform model. The model is experimentally verified with various length, shunt conductance and resistive termination. We also apply the proposed model to design space exploration, and demonstrate that the proposed model helps estimate the optimal shunt conductance and resistive termination according to required signaling length and throughput.