Erik Malund wrote:
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Why are address lines not switched to simplify PCB layout? Because the person that makes the schematic and the person that lay out the board does not talk.

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Correct. And to make matters worse, there is often a heirarchy between the two. Often engineers think the PCB Layout guy just isn't doing his job if he requests alterations to schematics. You've got to have smart engineers or smart management to take advantage of this useful feedback.

aka j