[SI-LIST] Re: Re : maybe something wrong in ebd definition?

  • From: "Muranyi, Arpad" <arpad.muranyi@xxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 22 Sep 2003 10:54:20 -0700

Cat,

As others said, if directionality is important, brake up the line into =
multiple lines
in the EBD file.  That way you can avoid the ambiguity, or perhaps tool =
dependence.

Regarding Jon's comment on Len=3D0 being strange in real life, I just =
want to say
that it was decided that by convention Len=3D0 means lumped and any non =
zero
value means distributed.  So a zero for length has no physical meaning =
in terms
of the length of real life traces.

Arpad Muranyi
Intel Corporation
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx =
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of cat
Sent: Monday, September 22, 2003 4:37 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re : maybe something wrong in ebd defination?


    Oh, I am really eager to know the answer.And if you are not sure,I =
still hope you can communicate with me.If there is something wrong =
totally,please let me know.

resend the message:

     I think the description of [path description]section of the ebd =
file is not detailed enough.I got confused when I meet such condition:
Node A
Len=3D0 L=3D2 C=3D1
Node B

Should I represent it like this:                  =20
                =20
                =20
   B <---@@@@@----------|--------------->A
         L=3D1          |
                        |
                       =3D=3D=3D C=3D1
                        |
                       ---
or like this:
                       =20

   B <-------|------------@@@@@------------>A
             |              L
             |
             |
           =3D=3D=3D=3D=3DC
             |
            ---
By the way,should the capacitor be connected to ground or power? How to =
determine this ?
In fact , I found many cases like the above one in the DIMM ebd file =
supplied by molex.
Maybe both representation is just the same? Or there is some description =
I did not noticed?Or this is really a oversight?
any response will be appreciated.
   cat
                cat_carl@xxxxxxxxx
                    2003-09-19

                     With best regards





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