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Using Pspice subckt in SPECTRE Simulation

David Koch

Hello, 

Being new to Cadence, I am working on a project that uses Cadence Virtuoso and a SPICE SUBCKT with the following text: 

.SUBCKT memristor 1 2 6
Eres 1 9 POLY(2)
+(8, 0) (11, 0) 0 0 0 0 1
Vsense 9 4 DC 0V
Fcopy 0 8 Vsense 1
Rstep 8 0 1K
Rser 2 4 10
Fmem 6 0 POLY(2) Vsense
+Ecopy -0.5E-10 0 1E-10 0 -1 0 0 0 1
Cmem 6 0 90nF
Rsp 6 0 1000Meg
Ecopy 7 0 0 6 1
Rc 7 0 1
Ecpy2 10 0 6 0 1
Vref ref 0 DC 1V
R1 10 11 100K
Ssat1 11 0 0 11 SWX
Ssat2 11 ref 11 ref SWX
.MODEL SWX SW(Ron=0.001, Roff=1000Meg,
+Vt=0.00001V, Vh=0.00001V)
.END

I have created a new PSPICE Cellview in a Cell called memristor and pasted this text in it. I then created a symbol cellview from this cellview to use it in a schematic.

I made a new Cell (lets call it BioSensor), in which I implemented the symbol previously created. I then used elements from the AnalogLib library to complete my schematic. I am now trying to use ADE L (set as spectre simulator) to simulate and check if my circuit is working. I get the following error:

egin Incremental Netlisting Dec 23 19:30:39 2020
ERROR (OSSHNL-116): Unable to descend into any of the views defined in the view list, 'spectre cmos_sch cmos.sch schematic veriloga', for the
instance 'I3' in cell 'BioSensor'. Either add one of these views to the library 'MEMRISTOR',
cell 'memristor' or modify the view list to contain an existing view.

End netlisting Dec 23 19:30:39 2020
ERROR (OSSHNL-514): Netlist generation failed because of the errors reported above. The netlist might not have been generated at all, or the generated netlist could be corrupt. Fix the reported errors and regenerate the netlist.
...unsuccessful.

Would it be possible to give me a hand in order to determine what my problem is?

Thanks in advance,

David

Parents

  • Dear David,

    David Koch said:

    Being new to Cadence, I am working on a project that uses Cadence Virtuoso and a SPICE SUBCKT with the following text: 

    ...

    I have created a new PSPICE Cellview in a Cell called memristor and pasted this text in it. I then created a symbol cellview from this cellview to use it in a schematic.

    It appears this is a file in SPICE format. Is there any reason you generated a PSPICE cellview? When I want to include a SPCE netlist based subcircuit in a netlist and spectre simulation, I follow the steps outlined as "Method 3"  at URL:

    support.cadence.com/.../ArticleAttachmentPortal

    and have found this to work on many, many occasions. Have you tried this David?

    Shawn

Reply

  • Dear David,

    David Koch said:

    Being new to Cadence, I am working on a project that uses Cadence Virtuoso and a SPICE SUBCKT with the following text: 

    ...

    I have created a new PSPICE Cellview in a Cell called memristor and pasted this text in it. I then created a symbol cellview from this cellview to use it in a schematic.

    It appears this is a file in SPICE format. Is there any reason you generated a PSPICE cellview? When I want to include a SPCE netlist based subcircuit in a netlist and spectre simulation, I follow the steps outlined as "Method 3"  at URL:

    support.cadence.com/.../ArticleAttachmentPortal

    and have found this to work on many, many occasions. Have you tried this David?

    Shawn

Children
  • in reply to ShawnLogan

    Without checking whether this strictly needed to be pspice (and it may not, as Shawn pointed out), the issue is fairly clear from the error message. 

    Most likely you just needed to include the view name you used for your pspice view in the switch view list on Setup-Environment form in ADE. I’d also suggest using a config view created with the hierarchy editor, but my guess is that if you knew about config views then you wouldn’t have hit this problem in the first place.

    Andrew 

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