[SI-LIST] Inclusion of RLGC package info in IBIS
- From: "R, Granthana" <Granthana.KR@xxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Thu, 3 Jul 2003 16:28:56 +0530
Hello all,
I have to include package data which is in the RLGC matrix format (derived
from Hspice) in IBIS files. There are different sets of matrices specified
for the different sections like breakout2, via and the transmission line as
shown in the figure. Also the length parameter is given for package trace.
Seg 1 Seg 2 Seg 3 Seg 4 Seg 5
----- ----- ----- ----- --------
Break Short Via Package Via &
Out trace Long Trace Solder Ball
+---+ +---+ +---+ +---+ +---+
---+ +--x--+ +--x--+ +--x--+ +--X--+ +---
+---+ +---+ +---+ +---+ +---+
My problem is :
1> The package model section of the IBIS file does not provide an option to
include RLGC matrices for multiple sections.
2> Also there is no keyword to specify the length for the traces when the
"model data" option is used. This option is provided only when "Number of
sections" is used. But since "Number of sections" and "model data" option is
mutually exclusive I cannot use this.
Hence how do I go about including multiple sets of matrices in the IBIS
file?
Looking forward for your reply.
Thanks,
Granthana
Force Computers (India)Pvt Ltd
Ph: +91-80-5356060 Ext 253
Fax: +91-80-5354025
E-mail: granthana.kr@xxxxxxx
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