[SI-LIST] Re: LVCMOS Trace length for 106MHz Clock
- From: "Kishore Bachu" <kbachu@xxxxxxx>
- To: <pushpaj@xxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Thu, 18 May 2006 16:37:47 +0530
Classification: UNCLASSIFIED
Hi Pushpa,
That depends on the layer in which you route the signal. In a typical
FR4 PCB with 50 ohm impedances, micro striplines have different
propagation speeds compared to striplines and accordingly you can use
the formula Length of the signal < (Rise time of the
signal/2*Propagation speed).
Regards,
Kishore.
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx]
On Behalf Of Pushpa Jain J - TLS, Chennai
Sent: Thursday, May 18, 2006 4:26 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] LVCMOS Trace length for 106MHz Clock
Hello All,
Is 106.25MHz clock form the LVCMOS buffer output can be routed up to 12
inches length and still meets the signal quality?.
Thanks and Regards
Pushpa
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