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The advanced Spice models not only adds the FET parameters but also adds the package ESL (nH) and parasitic pF for every lead.

If you simulate as in the datasheet with 250 Ohms 50 pF to 2.5V and get the same min, typ and max delay time by changing the Rs fixed value, then you are pretty close to testing the room temp model of 25'C with 50 pF fix load.  But this requires unequal Zoh and Zol from the static Parameters. ABT types are different from HC and ALC and the dozen other CMOS families.

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Variations in Vdd and Tamb. have more effects not included in the models.

I doubt 74ABT is your ideal choice even with no design specs.