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Simulating IBIS Models

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Input/output Buffer Information Specification (IBIS) models are used to simulate digital electrical interfaces. These models can be categorized into two main categories: traditional and algorithmic modeling interface (AMI). AMI is typically used for SerDes channel simulation, and is different from the traditional IBIS model, which is the focus of this document. These models are simple ASCII text files that contain buffer voltage current (V-I) characteristics and output voltage over-time (V-T) characteristics. In the model file, the individual digital pins and their respective signal type, model name, and parasitic RLC values are all listed.