From: owner-ibis-users@eda.org (ibis-users) To: ibis-users-digest@eda.org Subject: ibis-users V1 #217 Reply-To: Sender: owner-ibis-users@eda.org Errors-To: owner-ibis-users@eda.org Precedence: bulk ibis-users Tuesday, July 23 2013 Volume 01 : Number 217 ---------------------------------------------------------------------- Date: Fri, 12 Jul 2013 15:42:09 +0000 From: Rinsha Reghunath Subject: [IBIS-Users] RE: On-die decap modeling in IBIS 5.1 - --_000_6CF2432F84DCD244B763C5F4FD9D86F70B089AIN01WEMBXAinterna_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Thanks a lot Randy for your help. Regards, Rinsha From: Randy Wolff (rrwolff) [mailto:rrwolff@micron.com] Sent: Friday, July 12, 2013 12:33 AM To: Rinsha Reghunath Cc: 'ibis-users'; ibis@eda.org Subject: RE: On-die decap modeling in IBIS 5.1 Hi Rinsha, For Micron's power-aware IBIS models, I've chosen to include a separate Spi= ce subcircuit for the on-die decoupling. The model user is then expected t= o hook this model up in simulation. The reason for that is I wanted to inc= lude a frequency dependent model more complex than a simple RC series model= . So, I use HSPICE to characterize the on-die decoupling in an S-parameter= sweep. Then, I convert the S-parameter into a broadband-Spice model. I have an example of this that is publicly available for download. The mod= el is for an LPDDR2 memory device and can be found at: http://www.micron.co= m/~/media/Documents/Products/Sim%20Model/DRAM/LPDDR2/u80m_ibis.zip. Let me know if you have further questions. Regards, Randy From: owner-ibis@eda.org [mailto:owner-ibis@eda.= org] On Behalf Of Rinsha Reghunath Sent: Thursday, July 11, 2013 10:17 AM To: Muranyi, Arpad; ibis-users@eda.org; ibis@eda= .org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Hi Arpad, Thanks for your reply. As I mentioned in my first mail, I have read about using "Series" model typ= e and [Series Pin Mapping] keyword to model decoupling circuit. I also refe= rred "Modeling the On-die De-cap of IBIS 5.0 PDN-aware Buffers by Lance Wan= g and Randy Wolff, IBIS Summit (Taipei) Nov. 21st, 2011" wherein it has men= tioned the problem in this approach. So wanted to confirm if Series model i= s the option being used for the same, which is now clear from your reply. Thanks, Rinsha From: owner-ibis@eda.org [mailto:owner-ibis@eda.= org] On Behalf Of Muranyi, Arpad Sent: Thursday, July 11, 2013 7:39 PM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Rinsha, Did you read the section on [Composite Current] in the IBIS specification? There is some mention in there about this topic (around pg. 70 in the v5.1 PDF file). It basically boils down to use the series models between power and ground, optionally with [Pin Mapping] for more detail. Please ask your questions in a more specific way, because if your questions are general, people are not going to start writing books in emails to explain everything you might be interested in about IBIS... I hope this helps, Arpad =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D From: owner-ibis@eda.org [mailto:owner-ibis@eda.= org] On Behalf Of Rinsha Reghunath Sent: Thursday, July 11, 2013 4:25 AM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Hello all, I would like to understand about on-die decap modeling in IBIS 5.1 models a= nd how PDN analysis is done using the same. Any help would be appreciated. Thanks, Rinsha From: owner-ibis-users@eda.org [mailto:own= er-ibis-users@eda.org] On Behalf Of Rinsha Reghunath Sent: Monday, July 08, 2013 2:41 PM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1 Hi all, How do we model RC on-die decap in IBIS 5.1 models? I read about using "Series" model type and [Series Pin Mapping] keyword to = model decoupling circuit, but would like to understand more about the same.= Please guide with reference materials or explanations. Thanks, Rinsha - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --=20 This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --_000_6CF2432F84DCD244B763C5F4FD9D86F70B089AIN01WEMBXAinterna_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Thanks a lot Randy for= your help.

 

Regards,

Rinsha

 

From: Randy Wo= lff (rrwolff) [mailto:rrwolff@micron.com]
Sent: Friday, July 12, 2013 12:33 AM
To: Rinsha Reghunath
Cc: 'ibis-users'; ibis@eda.org
Subject: RE: On-die decap modeling in IBIS 5.1

 

Hi Rinsha,<= /span>

 

For Micron’s pow= er-aware IBIS models, I’ve chosen to include a separate Spice subcirc= uit for the on-die decoupling.  The model user is then expected to hoo= k this model up in simulation.  The reason for that is I wanted to include a frequency dependent model more complex than a simple= RC series model.  So, I use HSPICE to characterize the on-die decoupl= ing in an S-parameter sweep.  Then, I convert the S-parameter into a b= roadband-Spice model.

 

I have an example of t= his that is publicly available for download.  The model is for an LPDD= R2 memory device and can be found at: http://www.micron.com/~/media/Documents/Products/Sim%20Model/DRAM/LPDDR2/u8= 0m_ibis.zip.

 

Let me know if you hav= e further questions.

 

Regards,

Randy

 

From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Reghunath
Sent: Thursday, July 11, 2013 10:17 AM
To: Muranyi, Arpad; ibis-users= @eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Hi Arpad, <= /span>

 

Thanks for your reply.=

 

As I mentioned in my first = mail, I have read about using “Series” model type = and [Series Pin Mapping] keyword to model decoupling circuit. I also referred “Modeling the On-die De-cap of IBIS 5.0 PDN-aware Buffers by= Lance Wang and Randy Wolff, IBIS Summit (Taipei) Nov. 21st, 2011” wherein it has mentioned the pr= oblem in this approach. So wanted to confirm if Series model is the option = being used for the same, which is now clear from your reply.

 

Thanks,

Rinsha

 

From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Muranyi, Arpad
Sent: Thursday, July 11, 2013 7:39 PM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Rinsha,

 

Did you read the section on [Composite Current= ] in the IBIS

specification?  There is some mention in = there about this

topic (around pg. 70 in the v5.1 PDF file).&nb= sp; It basically

boils down to use the series models between po= wer and ground,

optionally with [Pin Mapping] for more detail.=

 

Please ask your questions in a more specific w= ay, because if

your questions are general, people are not goi= ng to start

writing books in emails to explain everything = you might be

interested in about IBIS…

 

I hope this helps,

 

Arpad

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

 

 

From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Reghunath
Sent: Thursday, July 11, 2013 4:25 AM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Hello all,<= /span>

 

I would like to unders= tand about on-die decap modeling= in IBIS 5.1 models and how PDN analysis is done using the same. Any help w= ould be appreciated.

=  

Thank= s,

Rinsh= a

 

From: owner-ibis-users@eda.org [<= a href=3D"mailto:owner-ibis-users@eda.org">mailto:owner-ibis-users@eda.org<= /a>] On Behalf Of Rinsha Reghunath
Sent: Monday, July 08, 2013 2:41 PM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1

 

Hi all,

 

How do we model RC on-die decap in IBIS 5.1 models?<= o:p>

 

I read about using “Series” model type a= nd [Series Pin Mapping] keyword to model decoupling circuit, but would like= to understand more about the same. Please guide with reference materials o= r explanations.

 

Thanks,

Rinsha


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--=20
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean. - --_000_6CF2432F84DCD244B763C5F4FD9D86F70B089AIN01WEMBXAinterna_-- - -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail mikelabonte@eda-stds.org |or ibis-request@eda-stds.org | |IBIS reflector archives exist under: | | http://www.eda-stds.org/ibis/email_archive/ Recent | http://www.eda-stds.org/ibis/users_archive/ Recent | http://www.eda-stds.org/ibis/email/ E-mail since 1993 ------------------------------ Date: Tue, 23 Jul 2013 16:48:01 +0000 From: "Mirmak, Michael" Subject: [IBIS-Users] IBISCHK5 Parser Executables, Version 5.1.4, Now Available! - --_000_942B8AE05D9831409A64517FFA4C46015D9C5B19FMSMSX102amrcor_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable The IBIS Open Forum is pleased to announce the availability of executables = for the IBISCHK5 Golden Parser, version 5.1.4. This latest version resolve= s parser BUGs 145 and 146, as listed at http://www.eda.org/ibis/bugs/ibisch= k/. The executables, available free of charge, can be found at: http://www.eda.org/ibis/ibischk5/. Executables are available for DOS32 (Microsoft Windows*), and a variety of = Linux-based operating systems. Source code licensees have already been con= tacted regarding the new source code. Those wishing to obtain a source cod= e license may feel free to contact me or any member of the IBIS Open Forum = board directly (please do not reply to all). Please note that these are command-line executables, not installers. Once = uncompressed, simply type "ibischk5" at a command prompt to run the program. Thank you for your support of IBIS! - - Michael Mirmak Chair, IBIS Open Forum http://www.eda.org/ibis/ - --=20 This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --_000_942B8AE05D9831409A64517FFA4C46015D9C5B19FMSMSX102amrcor_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

 

The IBIS Open Forum is pleased to announce the avail= ability of executables for the IBISCHK5 Golden Parser, version 5.1.4. = This latest version resolves parser BUGs 145 and 146, as listed at http://www.eda.org/ibis/b= ugs/ibischk/.

 

The executables, available free of charge, can be fo= und at:

http:/= /www.eda.org/ibis/ibischk5/.

 

Executables are available for DOS32 (Microsoft Windo= ws*), and a variety of Linux-based operating systems.  Source code lic= ensees have already been contacted regarding the new source code.  Tho= se wishing to obtain a source code license may feel free to contact me or any member of the IBIS Open Forum board directl= y (please do not reply to all).

 

Please note that these are command-line executables,= not installers.  Once uncompressed, simply type “ibischk5”= ; at a command prompt to run the program.

 

Thank you for your support of IBIS!

 

- Michael Mirmak

  Chair, IBIS Open Forum

  http://w= ww.eda.org/ibis/


--=20
This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean. - --_000_942B8AE05D9831409A64517FFA4C46015D9C5B19FMSMSX102amrcor_-- - -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail mikelabonte@eda-stds.org |or ibis-request@eda-stds.org | |IBIS reflector archives exist under: | | http://www.eda-stds.org/ibis/email_archive/ Recent | http://www.eda-stds.org/ibis/users_archive/ Recent | http://www.eda-stds.org/ibis/email/ E-mail since 1993 ------------------------------ Date: Thu, 11 Jul 2013 19:02:32 +0000 From: "Randy Wolff (rrwolff)" Subject: [IBIS-Users] RE: On-die decap modeling in IBIS 5.1 - --_000_1154B2DA8E5C264AB33C4ABE5FAF6BCF5CFF172ENTXBOIMBX05micr_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Rinsha, For Micron's power-aware IBIS models, I've chosen to include a separate Spi= ce subcircuit for the on-die decoupling. The model user is then expected t= o hook this model up in simulation. The reason for that is I wanted to inc= lude a frequency dependent model more complex than a simple RC series model= . So, I use HSPICE to characterize the on-die decoupling in an S-parameter= sweep. Then, I convert the S-parameter into a broadband-Spice model. I have an example of this that is publicly available for download. The mod= el is for an LPDDR2 memory device and can be found at: http://www.micron.co= m/~/media/Documents/Products/Sim%20Model/DRAM/LPDDR2/u80m_ibis.zip. Let me know if you have further questions. Regards, Randy From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Re= ghunath Sent: Thursday, July 11, 2013 10:17 AM To: Muranyi, Arpad; ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Hi Arpad, Thanks for your reply. As I mentioned in my first mail, I have read about using "Series" model typ= e and [Series Pin Mapping] keyword to model decoupling circuit. I also refe= rred "Modeling the On-die De-cap of IBIS 5.0 PDN-aware Buffers by Lance Wan= g and Randy Wolff, IBIS Summit (Taipei) Nov. 21st, 2011" wherein it has men= tioned the problem in this approach. So wanted to confirm if Series model i= s the option being used for the same, which is now clear from your reply. Thanks, Rinsha From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Muranyi, = Arpad Sent: Thursday, July 11, 2013 7:39 PM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Rinsha, Did you read the section on [Composite Current] in the IBIS specification? There is some mention in there about this topic (around pg. 70 in the v5.1 PDF file). It basically boils down to use the series models between power and ground, optionally with [Pin Mapping] for more detail. Please ask your questions in a more specific way, because if your questions are general, people are not going to start writing books in emails to explain everything you might be interested in about IBIS... I hope this helps, Arpad =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D From: owner-ibis@eda.org [mailto:owner-ibis@eda.= org] On Behalf Of Rinsha Reghunath Sent: Thursday, July 11, 2013 4:25 AM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Hello all, I would like to understand about on-die decap modeling in IBIS 5.1 models a= nd how PDN analysis is done using the same. Any help would be appreciated. Thanks, Rinsha From: owner-ibis-users@eda.org [mailto:own= er-ibis-users@eda.org] On Behalf Of Rinsha Reghunath Sent: Monday, July 08, 2013 2:41 PM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1 Hi all, How do we model RC on-die decap in IBIS 5.1 models? I read about using "Series" model type and [Series Pin Mapping] keyword to = model decoupling circuit, but would like to understand more about the same.= Please guide with reference materials or explanations. Thanks, Rinsha - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --=20 This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --_000_1154B2DA8E5C264AB33C4ABE5FAF6BCF5CFF172ENTXBOIMBX05micr_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Rinsha,<= /span>

 

For Micron’s pow= er-aware IBIS models, I’ve chosen to include a separate Spice subcirc= uit for the on-die decoupling.  The model user is then expected to hoo= k this model up in simulation.  The reason for that is I wanted to include a frequency dependent model more complex than a simple= RC series model.  So, I use HSPICE to characterize the on-die decoupl= ing in an S-parameter sweep.  Then, I convert the S-parameter into a b= roadband-Spice model.

 

I have an example of t= his that is publicly available for download.  The model is for an LPDD= R2 memory device and can be found at: http://www.micron.com/~/media/Documents/Products/Sim%20Model/DRAM/LPDDR2/u8= 0m_ibis.zip.

 

Let me know if you hav= e further questions.

 

Regards,

Randy

 

From: owner-ib= is@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Reghunath
Sent: Thursday, July 11, 2013 10:17 AM
To: Muranyi, Arpad; ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Hi Arpad, <= /span>

 

Thanks for your reply.=

 

As I mentioned in my first = mail, I have read about using “Series” model type = and [Series Pin Mapping] keyword to model decoupling circuit. I also referred “Modeling the On-die De-cap of IBIS 5.0 PDN-aware Buffers by= Lance Wang and Randy Wolff, IBIS Summit (Taipei) Nov. 21st, 2011” wherein it has mentioned the pr= oblem in this approach. So wanted to confirm if Series model is the option = being used for the same, which is now clear from your reply.

 

Thanks,

Rinsha

 

From: owner-ib= is@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Muranyi, Arpad
Sent: Thursday, July 11, 2013 7:39 PM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Rinsha,

 

Did you read the section on [Composite Current= ] in the IBIS

specification?  There is some mention in = there about this

topic (around pg. 70 in the v5.1 PDF file).&nb= sp; It basically

boils down to use the series models between po= wer and ground,

optionally with [Pin Mapping] for more detail.=

 

Please ask your questions in a more specific w= ay, because if

your questions are general, people are not goi= ng to start

writing books in emails to explain everything = you might be

interested in about IBIS…

 

I hope this helps,

 

Arpad

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

 

 

From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Reghunath
Sent: Thursday, July 11, 2013 4:25 AM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Hello all,<= /span>

 

I would like to unders= tand about on-die decap modeling= in IBIS 5.1 models and how PDN analysis is done using the same. Any help w= ould be appreciated.

=  

Thank= s,

Rinsh= a

 

From: owner-ibis-users@eda.org [<= a href=3D"mailto:owner-ibis-users@eda.org">mailto:owner-ibis-users@eda.org<= /a>] On Behalf Of Rinsha Reghunath
Sent: Monday, July 08, 2013 2:41 PM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1

 

Hi all,

 

How do we model RC on-die decap in IBIS 5.1 models?<= o:p>

 

I read about using “Series” model type a= nd [Series Pin Mapping] keyword to model decoupling circuit, but would like= to understand more about the same. Please guide with reference materials o= r explanations.

 

Thanks,

Rinsha


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This message has been scanned for viruses and
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believed to be clean.


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dangerous content by MailScanne= r, and is
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This message has been scanned for viruses and
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believed to be clean. - --_000_1154B2DA8E5C264AB33C4ABE5FAF6BCF5CFF172ENTXBOIMBX05micr_-- - -------------------------------------------------------------------- |For help or to subscribe/unsubscribe, e-mail mikelabonte@eda-stds.org |or ibis-request@eda-stds.org | |IBIS reflector archives exist under: | | http://www.eda-stds.org/ibis/email_archive/ Recent | http://www.eda-stds.org/ibis/users_archive/ Recent | http://www.eda-stds.org/ibis/email/ E-mail since 1993 ------------------------------ Date: Thu, 11 Jul 2013 14:08:42 +0000 From: "Muranyi, Arpad" Subject: [IBIS-Users] RE: On-die decap modeling in IBIS 5.1 - --_000_EB55FD6CF8C21444BE032D68DDA5FB998BA65C47NAMBX02mgcmento_ Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Rinsha, Did you read the section on [Composite Current] in the IBIS specification? There is some mention in there about this topic (around pg. 70 in the v5.1 PDF file). It basically boils down to use the series models between power and ground, optionally with [Pin Mapping] for more detail. Please ask your questions in a more specific way, because if your questions are general, people are not going to start writing books in emails to explain everything you might be interested in about IBIS... I hope this helps, Arpad =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D From: owner-ibis@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Re= ghunath Sent: Thursday, July 11, 2013 4:25 AM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1 Hello all, I would like to understand about on-die decap modeling in IBIS 5.1 models a= nd how PDN analysis is done using the same. Any help would be appreciated. Thanks, Rinsha From: owner-ibis-users@eda.org [mailto:own= er-ibis-users@eda.org] On Behalf Of Rinsha Reghunath Sent: Monday, July 08, 2013 2:41 PM To: ibis-users@eda.org; ibis@eda.org Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1 Hi all, How do we model RC on-die decap in IBIS 5.1 models? I read about using "Series" model type and [Series Pin Mapping] keyword to = model decoupling circuit, but would like to understand more about the same.= Please guide with reference materials or explanations. Thanks, Rinsha - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --=20 This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. - --_000_EB55FD6CF8C21444BE032D68DDA5FB998BA65C47NAMBX02mgcmento_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Rinsha,

 

Did you read the section on [Composite Current= ] in the IBIS

specification?  There is some mention in = there about this

topic (around pg. 70 in the v5.1 PDF file).&nb= sp; It basically

boils down to use the series models between po= wer and ground,

optionally with [Pin Mapping] for more detail.=

 

Please ask your questions in a more specific w= ay, because if

your questions are general, people are not goi= ng to start

writing books in emails to explain everything = you might be

interested in about IBIS…

 

I hope this helps,

 

Arpad

=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=

 

 

From: owner-ib= is@eda.org [mailto:owner-ibis@eda.org] On Behalf Of Rinsha Reghunath
Sent: Thursday, July 11, 2013 4:25 AM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS] RE: On-die decap modeling in IBIS 5.1

 

Hello all,<= /span>

 

I would like to unders= tand about on-die decap modeling= in IBIS 5.1 models and how PDN analysis is done using the same. Any help w= ould be appreciated.

=  

Thank= s,

Rinsh= a

 

From: owner-ibis-users@eda.org [<= a href=3D"mailto:owner-ibis-users@eda.org">mailto:owner-ibis-users@eda.org<= /a>] On Behalf Of Rinsha Reghunath
Sent: Monday, July 08, 2013 2:41 PM
To: ibis-users@eda.org; ibis@eda.org
Subject: [IBIS-Users] On-die decap modeling in IBIS 5.1

 

Hi all,

 

How do we model RC on-die decap in IBIS 5.1 models?<= o:p>

 

I read about using “Series” model type a= nd [Series Pin Mapping] keyword to model decoupling circuit, but would like= to understand more about the same. Please guide with reference materials o= r explanations.

 

Thanks,

Rinsha


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--=20
This message has been scanned for viruses and
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