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Hspice to Spice conversion?

  • Thread starter Jean-Marc Delaplace
  • Start date
J

Jean-Marc Delaplace

Hi,
I have a TINA simulator. It requires PSPICE models for import. Fairchild
only supplies HSPICE models, which cannot be read by TINA. Is there a
way of converting to PSPICE?
The other way round would be to find the models I need readily available
in PSPICE. Namely, I need models for analog switchs, single voltage,
SPDT, very low capacitance. Any idea?
Jean-Marc
 
J

Jim Thompson

Hi,
I have a TINA simulator. It requires PSPICE models for import. Fairchild
only supplies HSPICE models, which cannot be read by TINA. Is there a
way of converting to PSPICE?
The other way round would be to find the models I need readily available
in PSPICE. Namely, I need models for analog switchs, single voltage,
SPDT, very low capacitance. Any idea?
Jean-Marc

Right now you have to do it manually...

http://analog-innovations.com/HSpice2PSpiceNewEdit.pdf

The executable that was provided by Cadence was "less than robust" ;-)

...Jim Thompson
 
H

Helmut Sennewald

Jean-Marc Delaplace said:
Hi,
I have a TINA simulator. It requires PSPICE models for import. Fairchild
only supplies HSPICE models, which cannot be read by TINA. Is there a way
of converting to PSPICE?
The other way round would be to find the models I need readily available
in PSPICE. Namely, I need models for analog switchs, single voltage, SPDT,
very low capacitance. Any idea?
Jean-Marc


Hello Jean-Marc,

Many HSPICE models are encrypted.
In this case there is no chance for any other simulator.

Can you show one model to see whether it's encrypted or not?

Best regards,
Helmut
 
S

sycochkn

Jean-Marc Delaplace said:
Hi,
I have a TINA simulator. It requires PSPICE models for import. Fairchild
only supplies HSPICE models, which cannot be read by TINA. Is there a way
of converting to PSPICE?
The other way round would be to find the models I need readily available
in PSPICE. Namely, I need models for analog switchs, single voltage, SPDT,
very low capacitance. Any idea?
Jean-Marc

If TI makes the part they usually have TINA models.

Bob
 
J

Jim Thompson

If TI makes the part they usually have TINA models.

Bob

There is no such thing as a TINA-specific model, likewise there are no
PSpice-specific models.

However there ARE HSpice-specific models, cooked up just so they can
be ass-holes... usually just some excess bull-shit 3rd order
parameters that can be ignored ;-)

From experience I know that PSpice and LTspice can match the most
expensive simulators, no sweat, AND perform much faster.

TINA, used by one of my clients, seems limited in performance... and
doesn't often match my results accurately.

...Jim Thompson
 
J

Jean-Marc Delaplace

Helmut Sennewald a écrit :
Hello Jean-Marc,

Many HSPICE models are encrypted.
In this case there is no chance for any other simulator.

Can you show one model to see whether it's encrypted or not?

Best regards,
Helmut
Here is one :
(see attachment)

******************************************************************************
* *
* TEXAS INSTRUMENTS INCORPORATED
* STANDARD LINEAR AND LOGIC GROUP
* HSPICE MODEL FOR SN74LVC1G3157
* PROPERTY OF TEXAS INSTRUMENTS INCORPORATED. UNAUTHORIZED
* REPRODUCTION AND/OR DISTRIBUTION IS STRICTLY PROHIBITED.
*
* THIS PRODUCT IS PROTECTED UNDER COPYRIGHT LAW.
* CREATED 2004, (C) COPYRIGHT 2004, TEXAS INSTRUMENTS
* INCORPORATED, ALL RIGHTS RESERVED
*
* UNLESS THERE IS A SIGNED, WRITTEN AGREEMENT TO THE
* CONTRARY, TEXAS INSTRUMENTS (TI) IS PROVIDING THE IBIS
* MODELS AND WITHOUT ANY WARRANTY, EXPRESSED OR
* IMPLIED. TI ASSUMES NO LIABILITY FOR:
* 1) THE ACCURACY OF THE HSPICE MODELS PROVIDED TO YOUR
* COMPANY;
* 2) THE PROPER FUNCTIONING OF THESE HSPICE MODELS IN YOUR
* DESIGN OR FOR ANY RESULTING APPLICATIONS; OR
* 3) INFRINGEMENT OF PATENTS, COPYRIGHTS OR INTELLECTUAL
* PROPERTY RIGHTS RESULTING FROM YOUR USE OF THESE HSPICE
* MODELS.
*
* TI PROVIDES HSPICE MODELS AS A SERVICE TO OUR CUSTOMERS.
* YOU AND YOUR COMPANY SHALL NOT DISTRIBUTE, SELL OR GIVE
* THESE MODELS TO ANYONE ELSE WITHOUT PRIOR WRITTEN
* PERMISSION FROM TI.
*
* TI RESERVES THE RIGHT TO MAKE CHANGES TO OUR PRODUCTS OR
* TO DISCONTINUE ANY SEMICONDUCTOR PRODUCT OR SERVICE
* WITHOUT NOTICE, AND ADVISES OUR CUSTOMERS TO OBTAIN THE
* LATEST VERSION OF RELEVANT INFORMATION TO VERIFY, BEFORE
* PLACING ORDERS, THAT THE INFORMATION BEING RELIED ON IS
* CURRENT.
*
* PLEASE BE AWARE THAT YOUR RECEIPT AND USE OF THE HSPICE
* INFORMATION PROVIDED SHALL SERVE AS ACCEPTANCE OF THESE
* TERMS AND CONDITIONS. IF YOU DO NOT ACCEPT THESE TERMS,
* YOU SHOULD RETURN OR DESTROY THE HSPICE MODELS AND ANY
* OTHER ACCOMPANYING INFORMATION IMMEDIATELY.
* SN74LVC1G3157
* HSPICE NETLIST FILE BUILT ON MON MAR 8 13:53:51 CST 2004
..SUBCKT SN74LVC1G3157 PE1 PE2 PE3 PE4 PE5 PE6
***PLEASE INCLUDE ONLY ONE PACKAGE***
..INCLUDE 'sot6_dbv.pkg'
*.INCLUDE 'sot6_dck.pkg'

* .INCLUDE 'dsbga6_yea_yza.pkg'
* .INCLUDE 'dsbga6_yep_yzp.pkg'

X_SN74LVC1G3157__DIE PI1 PI2 PI3 PI4 PI5 PI6 SN74LVC1G3157__DIE
***PLEASE INCLUDE ONLY ONE PROCESS***
***NOMINAL OR STRONG OR WEAK***
..LIB 'sn74lvc1g3157_process.lib' NOMINAL
**
** NO GLOBALS WERE DEFINED OUTSIDE OF .SUBCKT CALLS...
**
**
** THE FOLLOWING NETLIST HAS GONE THROUGH THE HSPICE NETLIST CLEANER,
** VERSION V2.0 - NOV 20 2003
** ON MON MAR 8 13:53:51 CST 2004
**
* .WIDTH IN=256
** ADDED BY CLEANER SCRIPT...
..SUBCKT SN74LVC1G3157__DIE B2 CGND B1 A CVCC S
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..ENDS SN74LVC1G3157
 
H

Helmut Sennewald

Jean-Marc Delaplace said:
Helmut Sennewald a écrit :
Here is one :
(see attachment)


Hello Jean-Marc,

It's an encrypted model. (.prot FEELIB)
They simply used the real circuit model of the chip
with all the MOSFETs and encrypted it.
The drawback is that only users with HSPICE can
use these models because of the necessary but
secret decryption. HSPICE is a 10k$+ simulator.
These encrypted HSPICE models are useless for most
of their customers due to the lack of HSPICE licenses.

Best regards,
Helmut
.SUBCKT SN74LVC1G3157__DIE B2 CGND B1 A CVCC S
.prot FREELIB
7[X;$9\+:b[h$9*+:b$h$-3W['XAa#DW%\>A$\$OPUZ
F57zw<=12/#3w<]12/.3w%N[ $s9/%9>':,;Pp$z
F<7Gy%k 2[o\;:k-a[7Gy%kE0
...
.ends
 
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