Re: Pin numbering for BGA packages.

Eitan,

The IBIS standard states that the [Pin] field can have 5 characters
Max. So you can either use numbers or letters or combination of both
not to exceed 5 characters.

Regards,
Syed
National Semiconductor Corp.

> From owner-ibis@server.vhdl.org Sun Jul 20 08:37:03 1997
> Comments: Authenticated sender is <eitan@galileo21>
> From: "Eitan Medina" <eitan@galileo.co.il>
> Organization: Galileo Technology Ltd.
> To: ibis@vhdl.org
> Date: Sun, 20 Jul 1997 16:07:04 +0200
> Content-Type> : > text/plain> ; > charset=US-ASCII>
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> Subject: Pin numbering for BGA packages.
> X-Mailer: Pegasus Mail for Windows (v2.33)
>
> Hi,
>
> I have a device packaged in BGA package.
> In these packages the pins are not numbered from 1 to 208 (or whatever),
> but in Ball# (A1,A2,...C1,C2,C3...).
>
> IBIS ver 2.1 does not say anything on this.
>
> Is it legal to place Ball# instead of pin# ?
>
> Thanks,
>
> Eitan Medina
> Email: eitan@galileo.co.il
> Galileo Technology Ltd.
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Received on Mon Jul 21 08:59:47 1997