Re: [IBIS-Users] pulse/step description for v/t curves

From: Sujit Kumar-r65837 <sujit_at_.....>
Date: Thu Dec 21 2006 - 01:47:49 PST
hi IBIS users
any suggestions on this?
Its quite urgent for me.

Sujit Kumar-r65837 wrote:

> hi Mei
> From the ibis document what I understand is;  there is only one switch 
> (i.e sim time) in .s2i file to describe
> the pulse. Then following queries arise:
>
>  -- on what basis should one choose this [sim time] value?
>        I need to know this because I have to generate ibis model for 
> an IO pad.
>      
>  -- How are the following values calculated to describe the pulse i.e
>       td, tr, tf, width and period.
>
> thanks
> sujit
>
> NG,MEI-YEE wrote:
>
>> Hi Sujit,
>>
>>  
>>
>> From my limited experience with s2ibis3, I discovered that the pulse 
>> size was generated by dividing your sweep range by 100 points. If you 
>> need to make it finer, you might need to edit the .spi files 
>> manually, but keep in mind that the number of points allowed for 
>> version 3.2 is 100 only.
>>
>>  
>>
>> Thank you.
>>
>>  
>>
>> Best regards,
>>
>> Mei Yee
>>
>> SID, Avago Technologies (Malaysia)
>>
>> Tel no.:604-6108515
>>
>> ------------------------------------------------------------------------
>>
>> From: owner-ibis-users@server.eda.org 
>> [mailto:owner-ibis-users@server.eda.org] On Behalf Of Sujit Kumar-r65837
>> Sent: Thursday, December 21, 2006 1:23 PM
>> To: Sujit Kumar-r65837
>> Cc: ibis-users@server.eda.org
>> Subject: [IBIS-Users] pulse/step description for v/t curves
>>
>>  
>>
>> hi IBIS users
>> Can anyone help me for this?
>>
>> Sujit Kumar-r65837 wrote:
>>
>> How to specify the pulse/step  description in .s2i file for 
>>  generating v/t curves?
>> How do you reach upon those values?
>>
>> -- 
>>
>> thanks
>> sujit kumar
>>
>>
>>
>>
>> +91-120-4396069
>> +91-09910168788
>>
>> <mailto:sujit@freescale.com>
>>
>>  
>>
>> -- 
>>
>> thanks
>> sujit kumar
>>
>>
>>
>>
>> +91-120-4396069
>> +91-09910168788
>>
>> <mailto:sujit@freescale.com>
>>
>>  
>>
>
> -- 
> thanks
> sujit kumar
>
>
>
>
> +91-120-4396069
> +91-09910168788
>
>
>

-- 
thanks
sujit kumar




+91-120-4396069
+91-09910168788





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Received on Thu Dec 21 01:48:01 2006

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