Another method is to have a single schematic symbol with a matching footprint. In the
schematic symbol, you have extra pins which correspond to the additional pads, and
which are super-imposed on each other. E.g., pins 1 and 1A will be on top of each
other; then hide the name/number of 1A (do NOT make it a hidden pin!). I typically
use a circle-symbol pin and a straight pin over each other to make it very obvious
it's a double pin.
Dwight Harm
Trax Softworks, Inc.
-----Original Message-----
From: Geoff Harland [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, May 29, 2001 6:29 PM
To: Protel EDA Forum
Subject: Re: [PEDA] Copper/Thru hole DRC errors
> Hello Bruce,
> I have also created dual foot print SMT/thru hole components. The work
> around ...
<snip>
Each of two different PCBs that I am currently designing can be fitted with
either a through-hole (DPDT) relay or a SM (DPDT) relay, and the footprints
for each of these partially overlap. (A SM relay will be fitted by
preference, but in the event of supply problems, a through-hole relay can be
fitted instead.)
I have designated the SM relay as REL1 and the through-hole relay as REL1A;
the Designator string for the latter has been concealed. As such, it gives
the impression that "REL1" can be either a SM or through-hole relay.
<snip>
Geoff Harland.
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