Re: Pin numbering for BGA packages.

Luke,

Yes:
I have tested the following on the ibischk2 parser and they will pass. Meaning,
you can have characters like you mentioned as the first char in the pin
field. THere is no restriction.

REgards,
Syed
National Semiconductor Corp.

[Pin] signal_name model_name R_pin L_pin C_pin
|
!1 RINA- DS90LV032TM_RIN 50.0m 2.07n 0.429p
@2 RINA+ DS90LV032TM_RIN 50.0m 1.49n 0.306p
3A ROUTA DS90LV032TM_ROUT 50.0m 0.95n 0.146p
*4 EN DS90LV032TM_EN 50.0m 0.95n 0.152p
_5 ROUTC DS90LV032TM_ROUT 50.0m 0.95n 0.152p
6A RINC+ DS90LV032TM_RIN 50.0m 0.95n 0.146p
7 RINC- DS90LV032TM_RIN 50.0m 1.49n 0.306p
8 GND GND 50.0m 2.07n 0.429p
9

> From chang@nexen.com Mon Jul 21 09:18:14 1997
> Date: Mon, 21 Jul 1997 12:16:56 -0400 (EDT)
> From: Luke Chang <chang@nexen.com>
> To: huq@rockie.nsc.com
> Subject: Re: Pin numbering for BGA packages.
> Cc: ibis@vhdl.org
>
> Hi Syed,
>
> Can a pin name start with any character, such as _, !, @, #, $, 5, 6, *, and &,
> or does it have to start with a letter (a-z, A-Z)?
>
> Luke Chang
> Fujitsu Nexion, Inc.
> Acton, MA
>
>
> ----- Begin Included Message -----
>
> >From owner-ibis@server.vhdl.org Mon Jul 21 12:12:31 1997
> Date: Mon, 21 Jul 97 08:54:35 PDT
> From: huq@rockie.nsc.com (Syed Huq)
> To: ibis@vhdl.org, eitan@galileo.co.il
> Subject: Re: Pin numbering for BGA packages.
> Content-Length: 1293
>
> 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>
> > Content-Transfer-Encoding: 7BIT
> > 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.
> > 15 Geron st.
> > P.O.Box 2786
> > Yehud 56217
> > ISRAEL
> > Tel: +972-3-6320220
> > Fax: +972-3-6320221
> > *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
> > * check out our new web site: http://www.GalileoT.com *
> > *-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
> >
>
>
> ----- End Included Message -----
>
>
 
Received on Mon Jul 21 09:26:58 1997