[SI-LIST] : A simple topology

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From: Kent.Zhang@smartm.com
Date: Mon Jul 31 2000 - 08:32:57 PDT


Sorry Folks. There's an error in my previous posting.
It's corrected below. Thanks Aubrey.

Let's take a net with one driver and two
identical receivers and analyze a simple topology.

Driver to T-point = L0
T-point to both receivers = L1
Total length from Driver to receiver L = L0 + L1

Case 1, L0 = 5.00", L1 = 1.00", L= 6.00"
Case 2, L0 = 1.00", L1 = 5.00", L= 6.00"

Question:

Is Case 1 ALWAYS better than Case 2 ? If not,
under what conditions? Variables can be types of
drivers and receivers, frequency, trace impedance,
stackup etc.

Kent Zhang
SMART Modular Technologies

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