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Variation in Hierarchical Design occurrences

I have a design in which I connected a series of relays, creating a hierarchical block that has a single input and 4 outputs. Then, I linked these blocks together to make a relay system that goes from 1-->256 outputs. The problem is, I'm not connecting to 256 outputs all the time; having this many outputs is a consequence of duplicating modules in powers of 2 (because each relay splits the signal), but it's not necessarily what I need. This results in a lot of pins that are simply "No Connect." However, when going to PCB layout, these no-connect relays still take up space and are part of the netlist, even though they're not needed. What I need to do is maintain the basic 1_4 relay block, but in specific occurrences of this block, edit the design.

If I edit the design, it edits ALL of the blocks. Is there any way to instantiate a block so that I can edit its internals, independent of the other blocks that exist? Using Orcad Capture.

SolderMonkey over 6 years ago

I don't think so.

Sounds like you need four H-Blocks, one with one output, one with two outputs, etc.

Then place the appropriate block in your top level design as required.
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