integrated with the existing parsing of AND/NAND/OR/NOR forms (inpcom.c).
For the implementation, add a new analog XSPICE code model, xfer.
Add an example to examples/sp.
Internal circular memory of size tstop/tstep or user defined.
(aprox.) every tstep a value is stored.
Delay time in multiples of tstep, by control voltage or user defined.
Dc or ac sim will simply connect input to output.