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Modélisation comportementale de drivers de ligne de transmission pour des besoins d'intégrité du signal et de compatibilité électromagnétique

Abstract : Integrated circuits miniaturization, high operating frequencies, lower supply voltages, high-density integration make digital signals propagating on interconnects highly vulnerable to degradation. Assessing EMC and signal integrity in the early stages of the design flow requires accurate interconnect models allowing for efficient time-domain simulations. In this context, our work addressed the issue of behavioral modeling of transmission line buffers, and particularly that of drivers. The main result is an original modeling approach partially based on Volterra-Laguerre series. The black box models we developed have a fairly simple implementation in SPICE thus allowing a very good portability. They are easy to identify and have a parametric complexity allowing a large gain in simulation time with respect to transistor driver models. In addition, the developed methods allow a more accurate output port nonlinear dynamics modeling, and a more general management of inputs. A very good reproduction of driver behaviour in overclocking conditions provides a significant advantage over standard IBIS models.
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https://tel.archives-ouvertes.fr/tel-01916664
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  • HAL Id : tel-01916664, version 1

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Cherif El Valid Diouf. Modélisation comportementale de drivers de ligne de transmission pour des besoins d'intégrité du signal et de compatibilité électromagnétique. Electronique. Université de Bretagne occidentale - Brest, 2014. Français. ⟨NNT : 2014BRES0040⟩. ⟨tel-01916664⟩

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