[SI-LIST] Re: Damaging LVDS inputs (with embedded termination) using LVPECL voltage swings?

Hi, Sal.

This really depends on the LVDS receiver input buffer you are using.  =
If you
look at the absolute maximum DC specs you can  see the maximum rating =
for
the input buffer before damage occurs.

Karen Stoke
San Jose CA
 =20

-----Original Message-----
From: Sal "Agui=F1aga [mailto:sa_jr@xxxxxxxxx]
Sent: Monday, August 26, 2002 2:00 PM
To: Roy.Leventhal@xxxxxxxx; si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Damaging LVDS inputs (with embedded termination)
using LVPECL voltage swings?




Hello All!

Is there a risk of damaging a device if an LVPECL
voltage swing is driven into an LVDS receiver?=20

*** (not designed to work like this, but in case of
user error this could happen ) ***

If the voltage swing is about 750 to 1000 mV with a
offset of 2.0 Volts, will it damage the LVDS receiver?
 The LVDS receiver has an embedded 100 ohm termination
resitor between the +/- pins.  At the moment the
connection is point to point without AC coupling.

I would appreciate a response if some of you have come
accross this one.

Thank you.

Sal Aguinaga Jr.=20
Rolling Meadows, IL



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