For Signal Integrity / Power Integrity simulation analysis, the following model formats could be analyzed:
SPICE - Simulation Program with Integrated Circuit Emphasis
IBIS - I/O Buffer Information Specification
RLC - Resistance, Inductance, Capacitance
S-Parameters - Scattering Parameters

SPICE - Simulation Program with Integrated Circuit Emphasis
IBIS - I/O Buffer Information Specification
RLC - Resistance, Inductance, Capacitance
S-Parameters - Scattering Parameters