[SOLVED] PTM-MG hspice model for finfet

[Bakr.hesham]

Hi,
I'm using the 7nm finfet model developed by PTM http://ptm.asu.edu/modelcard/PTM-MG/modelfiles/lstp/7nfet.pm
but i need to know the symbol of {number of fingers} ,ie. (number of fins=nfin)
thanks in advance

 

[erikl]

Just search in the model card!

 

[Bakr.hesham]

As i said nfin is number of fins not number of fingers

 

[erikl]

Misunderstanding on my part, sorry!

As the NF parameter isn't fixed in the model file, I think it's your choice - as long as you think you won't exceed a certain wmax value, which isn't given as well. Many model files limit their validity/accuracy not only for min/max length (like in this case), but also for the width (or rather drain current).

 

[timof]

From what I have seen, in FinFETs, each finger is recognize as a separate instance, so NF=1.

 

[GayatriGaikwad]

how can u say that it is finfet model...
this is multigate nfet model.

 

[ljp2706]

how can u say that it is finfet model...
this is multigate nfet model.

It's a FinFET or Vertical Gate FET not because of the number of gates, but because the gate is raised, you have two, three, or even four areas of the gate available for inversion to transport charge compared to a single region in planar cmos.

 

[Bakr.hesham]

You can check these links:
https://bsim.berkeley.edu/models/
https://bsim.berkeley.edu/models/bsimcmg/[/QUOTE]