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jazzdup New Member Offline Posts: 2	hspice to spectre model conversion Jan 25^th, 2011, 10:59am Hello, I have a level=49 hspice model and need to convert to a spectre-readable model. Any advice? Thanks.
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Geoffrey_Coram Senior Fellow Offline Posts: 1998 Massachusetts, USA	Re: hspice to spectre model conversion Reply #1 - Jan 26^th, 2011, 5:42am Did you try just running it straight? The Cadence folks on this board often mention Spectre's ability to read (H)Spice syntax; for a single model, I would expect it to work.
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bernd Senior Member Offline Posts: 229 Munich/Germany	Re: hspice to spectre model conversion Reply #2 - Jan 26^th, 2011, 6:21am You may try the Cadence command line tool 'spp'. There is also an old App. Note on SourceLink (http://support.cadence.com) 'BSIM3V3.X MOSFET Model Compatibility: HSPICE Level 49 - Spectre BSIM3V3.X' http://support.cadence.com/wps/mypoc/cos?uri=deeplinkmin:DocumentViewer;src=wp;q... which may help. * bernd
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jazzdup

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Re: hspice to spectre model conversion
Reply #3 - Jan 26^th, 2011, 8:16am

Thanks to all who replied.
Running it straight without modification throws an error at the level=49 specification.
We did try the spp command but that threw an error as well after the second line. The error msg was not helpful, something about an 'unexpected new line character after VERSION ='. There wasn't a new line character on that line.
I'll the cadence app note and give it another shot. Thanks again.

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Geoffrey_Coram Senior Fellow Offline Posts: 1998 Massachusetts, USA	Re: hspice to spectre model conversion Reply #4 - Jan 26^th, 2011, 9:58am Are you using a recent version of Spectre?
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bernd Senior Member Offline Posts: 229 Munich/Germany	Re: hspice to spectre model conversion Reply #5 - Jan 27^th, 2011, 5:08am It might be useful to check the model syntax definition as well. An unexpected new line error might result form a missing '+' as new line indicator or a missing '\' as a end of line statement. * bernd
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Ken Kundert

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Re: hspice to spectre model conversion
Reply #6 - Jan 27^th, 2011, 8:27am

If the file came from a different operating system it might be using a different convention for newllines. You might try opening it in vim and typing
Code:

:set fileformat

If is says 'fileformat=unix' then this is not the problem. If it doesn't, you should type
Code:

:set fileformat=unix

and the save the file with
Code:

:wq

-Ken

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Andrew Beckett

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Re: hspice to spectre model conversion
Reply #7 - Jan 30^th, 2011, 1:23pm

As Geoffrey asked, are you using a recent version of spectre (if so, what is it?). Ken's point is valid too (although I think that's handled OK nowadays, but I didn't check).

I wouldn't recommend using spp. This is obsolete and has not be maintained for maybe 6 years or so. The supported flow is to read the model directly in spectre. Ideally if it's in SPICE syntax, make sure the file name it is included in does not end in ".scs" (which means spectre syntax by default), and then it should behave.

Maybe you can show the error message you're getting?

Regards,

Andrew.

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