RE: Which pin should be connected by Pin 16

Hello Hailong:
 
I'm not entirely sure what you are asking, but... Node "u23.15" represents
pin 15 on a component with the reference designation "U23". In the IBIS
file that describes this component, the [Pin] keyword is used to associate
or 'tie' pin 15 to a particular IBIS model. If this model were to be
implemented using an HSPICE B-element, pin 15 would connected to the input,
output or I/O port of the B-element.
 
Also, please note that the lines you copied out of the IBIS specification
are made up examples. Their purpose is to illustrate what a [Path
Description] and [Reference Designator Map] look like. The examples do NOT
represent any actual components or netlists. I do not know if a pp100.ibs
file even exists.
 
Regards,
Stephen Peters
Intel Corp.
 

-----Original Message-----
From: Hailong Wang [mailto:hlwang@avanticorp.com]
Sent: Wednesday, June 06, 2001 7:54 PM
To: ibis-users@eda.org
Subject: Which pin should be connected by Pin 16

Hi,
    In Page 73 - Page 75 of the IBIS Specification Ver3.2, there are the
following lines:

[Path Description] CAS_2
Pin J25
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u21.15
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u22.15
Len = 0.5 L=8.35n C=3.34p R=0.01 /
Node u23.15

....

[Reference Designator Map]
|
| External Part References:
|
| Ref Des File name Component name
u23 pp100.ibs Pentium(R)__Pro_Processor
u24 simm.ebd 16Meg X 36 SIMM Module
u25 ls244.ibs National 74LS244a
u26 r10K.ibs My_10K_Pullup

I want to know which node of buffer in pp100.ibs(node of B element) pin u23.
15 connects to.

Your help is appreciated very much.

-- 
Best Regards.
Hai-long Wang
Tel:021-62837026x228
Avant! Shanghai R&D Center,  16th Floor, SunTong InfoPort Plaza
No.55, West Huaihai Road, Shanghai, 200030, P.R.China