Re: Introduction to IBIS Models

Prabhu,

You can find a number of ducments here :

http://www.eia.org/eig/ibis.htm

"Mohan, Prabhu" wrote:

> Hi all,
>
> Is this document (Introduction to IBIS Models) still available from IBIS
> website or elsewhere? Is there any other document that deals with "How to
> obtain c_comp?"
>
> Thanks
> Prabhu
>
> -----Original Message-----
> From: Betty Luk [mailto:Betty@genesis-microchip.com]
> Sent: Wednesday, November 29, 2000 11:33 AM
> To: 'ibis-users@eda.org'
> Cc: 'arpad.muranyi@intel.com'
> Subject: measuring c_comp using simulation
>
> Hi,
>
> In Arpad Muranyi's "Introduction to IBIS Models" (available from IBIS
> website), there was a sample Spice netlist for a simulation to obtain the
> value of c_comp. When I used this simulation for my buffer, the capacitance
> ranged from 2pF to 8pF, with a mean of 5pF. In the example, the range was
> only between 2 to 3pF. Should the mean value for the simulated capacitance
> be used? What about obtaining min and max values for c_comp?
>
> I would really appreciate any feedback. I have attached the sample Spice
> file for reference.
>
> Thanks very much,
> Betty
>
>
>
> ------------------------------------------------------------------------
> Name: c_meter.sp
> c_meter.sp Type: unspecified type (application/octet-stream)
> Encoding: quoted-printable

--
-------------------------------------------------------------------------
--------------------------------------          -             -          |
| Abdulrahman A. Rafiq (AKA Abbey)   |         ---           ---         |
| Hardware Engineer                  |       -------        ------       |
| ISBU, Cisco Systems, Inc.          |     -----------    ----------     |
--------------------------------------   ------------------------------  |
-------------------------------------------------------------------------