IPC: side orientation and netlist

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Trekki

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Hi @all!

My first thread, so please excuse me if this is the wrong location...

I have two questions on IPC issues.

First: According to IPC where do i have to place the side orientation of parts. BOM? placement file? assembly drawing? or silk screen? and which document specifies this?

Second: According to IPC-D-356 columns 28-31 should contain the pin number. I do have a very large part (2.990 pins) and most of the pins start with a letter - for example Pin "P1234" and "N1234" for a diff. pin pair. So my pin naming is too long for the columns available. any suggestions how to solve this? Renaming all pins is not possible since this naming is used for a lot of documents...
 

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