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

  • From: Sal "Agui�aga" <sa_jr@xxxxxxxxx>
  • To: Roy.Leventhal@xxxxxxxx, si-list@xxxxxxxxxxxxx
  • Date: Mon, 26 Aug 2002 14:00:04 -0700 (PDT)


Hello All!

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

*** (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. 
Rolling Meadows, IL



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