From: Francis Chiu ([email protected])
Date: Tue Apr 11 2000 - 12:37:48 PDT
.
Hi, Steve,
I don't quite get what you mean by "pre-charging" the BLVDS. The data
I get from my previous measurements shows the "glitch" that occurs
during a hot swap is only a few millivolts and this occurs in BOTH
differential lines which means they will cancel out each other.
The hot swap simply does not affect any BLVDS drivers/receivers, at
least for National Semiconductors parts.
Francis Chiu
Interface
Applications
National Semiconductor Corporation
[email protected] on 04/07/2000 03:39:00 PM
To: [email protected]@Internet
cc: (bcc: Francis Chiu/Americas/NSC)
Subject: [SI-LIST] : BLVDS Hot Swap
Does anybody out there have any data on pre-charging BLVDS (multipoint
LVDS)
signal lines in a HOT SWAP application for the purpose of preventing the
glitch that could occur when the BLVDS lines are momentarily shorted by
the
card being hot-plugged. I'm thinking that this may be required but I
have
not seen any mention of it with respect to BLVDS. What is the
recommended
method of doing this?
Somebody out there must be hot plugging BLVDS devices.
Thanks,
Stephen Ash
Senior Hardware Designer
Sedona Networks
10A Hearst Way
Kanata, Ontario
K2L 2P4
Tel: (613) 599-1600 ext. 5062
Fax: (613) 599-3040
Mailto:[email protected]
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