[SI-LIST] Re: IBIS Model Using Package Model Error
- From: Chris.McGrath@xxxxxxxx
- To: "Gang Zhao" <phillypham@xxxxxxxxx>
- Date: Wed, 14 Jan 2009 12:43:26 -0700
Hey Gang,
I agree, but our assembler only supplies a .pkg file for this particular
package. Therefore, I'm just trying to find the best way to pull the
files together.
Thanks,
Chris
-----------------------------------------------------------------------------
Chris McGrath
Applications Engineer - Mobile Technology Solutions
chris.mcgrath@xxxxxxxx
Office: 480.704.7061
Blackberry: 480.747.3848
www.smsc.com
-----------------------------------------------------------------------------
"Gang Zhao" <phillypham@xxxxxxxxx>
01/14/2009 11:53 AM
To
Chris McGrath/SMSC@SMSC
cc
"Seshadri Venkataramanan" <jayanth.neo@xxxxxxxxx>, si-list@xxxxxxxxxxxxx,
si-list-bounce@xxxxxxxxxxxxx
Subject
Re: [SI-LIST] Re: IBIS Model Using Package Model Error
Chris,
It would be easier for you to extract the lumped RLC models, then
incorporate them into the [Pin] section of the IBIS models.
Gang Zhao
Marvell Semiconductors, Inc.
On Wed, Jan 14, 2009 at 11:43 AM, <Chris.McGrath@xxxxxxxx> wrote:
I'm not sure if I agree with that. Here is the text from the IBIS spec,
version 4.0 which states that "If the matching package model is in an
external .pkg file, it must be located in the same directory as the .ibs
file".
|=============================================================================
| Keyword: [Package Model]
| Required: No
| Description: Indicates the name of the package model to be used for the
| component.
| Usage Rules: The package model name is limited to 40 characters. Spaces
| are allowed in the name. The name should include the company
| name or initials to help ensure uniqueness. The EDA tool
| will search for a matching package model name as an argument
| to a [Define Package Model] keyword in the current IBIS file
| first. If a match is not found, the EDA tool will next look
| for a match in an external .pkg file. If the matching package
| model is in an external .pkg file, it must be located in the
| same directory as the .ibs file. The file names of .pkg files
| must follow the rules for file names given in Section 3,
| GENERAL SYNTAX RULES AND GUIDELINES.
| Other Notes: Use the [Package Model] keyword within a [Component] to
| indicate which package model should be used for that
| component. The specification permits .ibs files to contain
| [Define Package Model] keywords as well. These are described
| in the "Package Modeling" section near the end of this
| specification. When package model definitions occur within a
| .ibs file, their scope is "local", i.e., they are known only
| within that .ibs file and no other. In addition, within that
| .ibs file, they override any globally defined package models
| that have the same name.
|-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
Chris McGrath
Applications Engineer - Mobile Technology Solutions
chris.mcgrath@xxxxxxxx
Office: 480.704.7061
Blackberry: 480.747.3848
www.smsc.com
-----------------------------------------------------------------------------
"Seshadri Venkataramanan" <jayanth.neo@xxxxxxxxx>
Sent by: si-list-bounce@xxxxxxxxxxxxx
01/14/2009 11:39 AM
To
Chris McGrath/SMSC@SMSC
cc
si-list@xxxxxxxxxxxxx
Subject
[SI-LIST] Re: IBIS Model Using Package Model Error
Hi,
Did you make sure that you included the contents of the package model in
your IBIS file? You have to include the contents of the package model in
to
your IBIS file before referencing it. It doenst look up the directory
where
you have the package file stored. Rather it searches in the IBIS file
itself.
On Wed, Jan 14, 2009 at 11:26 AM, <Chris.McGrath@xxxxxxxx> wrote:
> I'm creating an IBIS model that references a .pkg package model. While
I
> think that my syntax is correct, I'm failing the Committee Parser and I
> can't figure out why. Your help is greatly appreciated.
> Here is the error:
> ERROR - Unable to find Package Model 'device_package' for Component
> 'device'
>
>
> In my IBIS model (filename is "device.ibs"), here is my syntax
referencing
> the package file:
> [IBIS Ver] 4.0
> [Comment char] |_char
> [File name] device.ibs
> [File Rev] 1.0
> [Date] 14-JAN-2009
> .
> .
> .
> [Component] device
> [Manufacturer] SMSC
> [Package Model] device_package
>
>
>
> Here is the .pkg syntax that I am using:
> [IBIS ver] 4.0
> [File name] device.pkg
> [File Rev] 1.0
> [Date] January 14, 2009
> [Source] TBD
> [Notes] None
> [Disclaimer] TBD
> [Copyright] 2009
> [Define Package Model] device_package
>
>
>
> I have both files in the same directory on my C drive.
>
> Any ideas why this is failing the Parser?
>
> Thanks,
> Chris
>
>
>
-----------------------------------------------------------------------------
> Chris McGrath
> Applications Engineer - Mobile Technology Solutions
> chris.mcgrath@xxxxxxxx
> Office: 480.704.7061
> Blackberry: 480.747.3848
> www.smsc.com
>
>
-----------------------------------------------------------------------------
>
>
>
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--
Seshadri Venkataramanan
Graduate Student
MS - Electrical Engineering
( Mixed Signal Circuit Design) / Student Design Intern.
Arizona State University/ NXP Semiconductors.
Joe E. Lewis - "There's only one thing money won't buy, and that is
poverty."
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