[SI-LIST] Re: PCI-X (133Mhz) bus terminations
- From: "Peterson, James F \(FL51\)" <james.f.peterson@xxxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Thu, 1 Jun 2006 07:06:45 -0500
If you are going to ask a topology question like this, a good way to ask
it is from a timing perspective like Chris has asked below. With PCIx
133 I believe you get 2ns to get the signals to settle down on your pcb.
Can you meet that with your topology? Probably, but I would still try
for the best solution and verify it, trying to reserve as many hundreds
of picoseconds as possible for margin....
Jim=20
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Chris Cheng
Sent: Wednesday, May 31, 2006 10:03 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: PCI-X (133Mhz) bus terminations
Do you really worry about a 2 inch PCIX net running at 133MHz ?
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx
[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Babid A
Sent: Wednesday, May 31, 2006 2:16 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] PCI-X (133Mhz) bus terminations
Hello,
=3D20
I have PCI-X bus(133Mhz) driver with a fan out of 2. What is the best
=3D wiring topology & termination for this case?=3D20
=3D20
Drvier <=3D3D=3D3D=3D3D=3D3D> 57ohm transmission line (2inch) =3D
<=3D3D=3D3D=3D3D=3D3D>Receiver 1 & 2
=3D20
-Thanks,
=3D20
=3D20
=3D20
=3D09
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