[SI-LIST] Re: Reg reference plane for the same track.
- From: Aneesh G <aneesh.govindan@xxxxxxxxx>
- To: vijayanand ganesan <vijayanand.ganesan@xxxxxxxxxxxxxxxx>
- Date: Tue, 19 Apr 2011 17:52:09 +0530
Vijayanand,
Seems like there wont be any issue as far as concerned about your layer
stackup.
On Tue, Apr 19, 2011 at 2:00 PM, vijayanand ganesan <
vijayanand.ganesan@xxxxxxxxxxxxxxxx> wrote:
> Hi All,
> I have a basic doubt while routing my board. Following is the layer
> stackup
> what I am using.
> 1 ________________Signal
> 2 ________________Gnd.
> 3 ________________Signal
> 4 ________________Signal
> 5
> ________________Pwr.
>
> 6 ________________Gnd.
> 7 ________________Signal
> 8 ________________Signal
> 9 _______________ Pwr.
> 10________________Signal
>
>
> My question is I am trying to maintain the same reference plane for routing
> track, For example I am starting a clock trace from top layer then
> switching
> to Signal layer 3 (GND ref) and then to Signal layer 7 ( GND ref). I am
> assuming this should be ok since it is having same GND as reference for the
> entire track. Is it advisable to have such practice to cross the layer
> pairs ? If I have a continuous plane Layer 5 (PWR) can I switch between
> signal layer 3 (GND ref ) and Signal layer 5 ( PWR Ref) for the same track.
> Any difference in these two type of switching in signal integrity
> perspective. Kindly share your feedbacks.
> Thank you,
> Vijay
>
>
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--
Warm Regards
Aneesh G
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