Intel® Quartus® Prime Pro Edition User Guide: PCB Design Tools

ID 683768
Date 8/01/2023

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2.4. Simulation with IBIS Models

IBIS models provide a way to run accurate signal integrity simulations quickly. IBIS models describe the behavior of I/O buffers with voltage-current and voltage-time data curves.

Because of their behavioral nature, IBIS models do not have to include any information about the internal circuit design of the I/O buffer. Intel provides free IBIS models for use with Intel FPGA designs in signal integrity analysis simulation tools. You can obtain and customize these models for signal integrity design simulation.