XSPICE syntax for a terminal:

< %TerminalType > < ( > nodename < , referencenodename > < ) >

< %TerminalType > [ arraynodename1 < , arraynodename2 < , ... >> ]

XSPICE Terminal types:

Symbol Description
%D Digital terminal.
%V Voltage terminal.
%I Current terminal.
%G Voltage in/current out terminal.
%H Current in/voltage out terminal.
%VD Differential voltage terminal.
%ID Differential current terminal.
%GD Differential voltage in/current out terminal.
%HD Differential current in/voltage out terminal.
%VNAM Named vsource "terminal".

XSPICE code model instance line syntax:

Axxx xspiceterminal1 < xspiceterminal2 <...>>Model<Instance_Parameters…>

XSPICE code-model model definition syntax:

.MODEL mymodelname CODEMODELNAME ( <Model_Parameters…> )

Please refer to XSPICE documentation at: http://users.ece.gatech.edu/~mrichard/Xspice/ for further details.