[sdiy] Pcb design question
Bert Schiettecatte
bert at percussa.com
Sat Oct 16 23:33:12 CEST 2004
Hi list,
I'm working on a pcb design and I have some questions about traces..
I have an SRAM connected to a microcontroller. There is an
octal latch between the sram and the mcu, and the data traces
go from the SRAM to the latch, and continue onto a 10-pin
header, and then continue over the upper layer to the mcu.
Note that the traces sort of form an inductor, with in the
core/center a GND via/plane. I am close to finishing this PCB
and I'm starting to worry about a lot of things. One of my
worries is that these data traces forming a loop/inductor
could inject a lot of noise into the GND net. Am I correct?
Or am I worrying to much?
You can have a look at a close up of the problem here:
http://www-ccrma.stanford.edu/~bschiett/pcb.jpg
Thanks,
Bert
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