Are there different IBIS models for different speed grades? - Are there different IBIS models for different speed grades? Description All speed grades are implicitly contained in a single IBIS model file. The "min" set of data in the IBIS model means "-slow" speed grade (worst case) whereas the "max" set of data in IBIS file means "-fast" speed grade (best case). Related Articles How do IBIS models relate to device speed grades? Custom Fields values: ['novalue'] Troubleshooting novalue False ['novalue'] ['novalue'] novalue novalue ['Programmable Logic Devices'] ['novalue'] ['novalue'] ['novalue']