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7. Simulation on component boundaries: the IBIS model
7.1 History and role of the IBIS standard
The IBIS (Input/OutputBufferInformationSpecification) model was created by INTEL to provide its customers with the characteristics of input/output circuits, without revealing any technological information, enabling signal integrity simulations to be carried out at PCB level. Compared with physical models, running an IBIS model saves considerable time, thanks to the simplicity of the electrical elements involved. It corresponds to boundary macromodeling.
The IBIS model was standardized by the Electronic Industry Association (EIA) in 2005. In order to keep pace with the explosion in data rates on communication buses between components (figure
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Simulation on component boundaries: the IBIS model
Bibliography
Software tools
E. Sicard, A. Boyer "IC-EMC v2.5", software and user manual freely available online at http://www.ic-emc.org
Events
EMC Compo international workshops (more information at http://www.emccompo.org )
IBIS summits (more information on http://www.eda.org/ibis/summits/
Standards and norms
- for emission characterization of components, more information http://www.iec.ch - IEC 61 967 -
- for characterization of component susceptibility, more information http://www.iec.ch - IEC 62 132 -
- for EMC modeling of components, more information http://www.iec.ch - IEC 62 433 -
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