RE: [IBIS-Users] IBIS dual power supply

I have gotten around a lot of limitations of the tool by resorting to
this type of method.
It is certainly acceptable since the tool simulates all of your .sp
files (hand edited or auto generated) to finally create the IBIS model.
You just have to be aware of these manual changes...
 
It would be nice to have these capabilities built in.
 
Tks
Syed

________________________________

From: NG,MEI-YEE [mailto:mei-yee.ng@avagotech.com] 
Sent: Thursday, November 09, 2006 3:33 PM
To: Syed Huq (shuq); Ambrish Varma; ibis-users@eda.org
Subject: RE: [IBIS-Users] IBIS dual power supply



Hi Syed,

 

I thought of that too as the last resolution. Is it an acceptable way?

Thanks. 

 

Best regards,

Mei Yee

SID, Avago Technologies (Malaysia)

Tel no.:604-6108515

________________________________

From: Syed Huq (shuq) [mailto:shuq@cisco.com] 
Sent: Friday, November 10, 2006 2:54 AM
To: NG,MEI-YEE; Ambrish Varma; ibis-users@eda.org
Subject: RE: [IBIS-Users] IBIS dual power supply

 

This may not be the best solution but you could edit the .sp file and
hardcode the VDD connection.

- Syed

 

________________________________

From: owner-ibis-users@eda.org [mailto:owner-ibis-users@eda.org] On
Behalf Of NG,MEI-YEE
Sent: Thursday, November 09, 2006 12:41 AM
To: Ambrish Varma; ibis-users@eda.org
Subject: [IBIS-Users] IBIS dual power supply

Hi experts,

 

Need your guidance in a simple question. My chip has dual power supply,
meaning AVDD and AGND for analog core and DVDD and DGND for digital
core. In the .s2i file Pin List, I specify each to be POWER and GND
model accordingly. But when I run the s2ibis3, it will only connect a
voltage source to AVDD and not to both the VDD. How do I specify the pin
list for this case?

 

Thank you.

 

Best regards,

Mei Yee


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