[SI-LIST] Re: Regarding differential termination

  • From: "Dennis Han" <Dennis.Han@xxxxxxxxxxxxxxx>
  • To: <vani.chandrasekharan@xxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
  • Date: Tue, 17 Apr 2007 07:02:55 -0700

I think what you are saying is the termination for the differential pair=0D=
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is not at the last receiver.  The end of the differential line is the=0D=0A
termination, not the receiver(s).  Where the termination is located does=0D=
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not change timing as long as it's at the end of the line and there are=0D=
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no reflections that would affect timing.=0D=0A
=0D=0A
Dennis=0D=0A
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 =0D=0A
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-----Original Message-----=0D=0A
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]=0D=
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On Behalf Of vani.chandrasekharan@xxxxxxxxx=0D=0A
Sent: Monday, April 16, 2007 11:01 PM=0D=0A
To: si-list@xxxxxxxxxxxxx=0D=0A
Subject: [SI-LIST] Regarding differential termination=0D=0A
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=3D20=0D=0A
Hi,=0D=0A
=0D=0A
I was going through a layout for differential signals, when I noticed=0D=0A
that the stub for the termination from the receiver was as long as 500=0D=
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mils or so. I thought if used at a high frequency this should matter.=0D=0A
Kindly let me know your views.=0D=0A
=0D=0A
Will this stub affect timing, is it required the match the p and n=0D=0A
lengths of the termination stub too?=0D=0A
=0D=0A
Thanks and warm regards,=0D=0A
Vani=0D=0A
=0D=0A
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