I'm currently drawing a schematic using gschem. There's a GAL in it and some other chips. Since the GAL's outputs /inputs are all equivalent I don't care which output is used for some task. For example I want to feed a GAL output into the output enable of an EPROM. So I want one of the GAL's outputs connected to the OE input of the EPROM, but I don't care which one is used. Is there a way to tell gschem about this? Depending on which output is used the resulting pcb would use a different number of vias, etc.
Philipp
I do the following: 1. Assign all I/O in the schematic. 2. Generate a pcb file. 3. Look at the layout at point out potential problems. 4. Go back and alter the schematic connections. 5. Regenerate the pcb file (just a new net file). 6. Load the altered net into the existing pcb layout. 7. Repeat until satisfied.
Ryan
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