User`s guide

Understanding the IBIS Model
i.MX53 System Development User’s Guide, Rev. 1
Freescale Semiconductor 3-11
Correlation Level A means for categorizing I/O buffer characterization data based on how much the
modeling engineer knows about the processing conditions of a sample component
and which correlation metric he or she used.
All models (GPIO, LPDDR2, UHVIO, LVDS, LVIO) have passed the following checks:
• Passes IBISCHK without errors or unexplained warnings
• Data for basic simulation checked
• Data for timing analysis checked
• Data for power analysis checked
• Correlated against Spice simulations
Validation reports can be provided upon demand.
3.8 References
Consult the following references for more information about the IBIS model.
• IBIS Open Forum (http://www.eda.org/ibis/)
The IBIS Open Forum consists of EDA vendors, computer manufacturers, semiconductor vendors,
universities, and end-users. It proposes updates and reviews, revises standards, and organizes
summits. It promotes IBIS models and provides useful documentation and tools.
• IBIS specification (http://eda.org/pub/ibis/ver5.0/)