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Date: Mon, 12 Oct 2015 20:56:17 +0200
From: "Peter Stuge (peter AT stuge DOT se) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Subject: Re: [geda-user] A lesson from gnet-makefile
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John Doty wrote:
> suppose instead that we had a pin attribute that said
> “this pin may draw three amps”.
..
> Suppose a resistor had an attribute that meant
> “100 ohm shunt terminator”. Imagine a component with a pair of
> pins identified by an attribute as a differential input.
> Put them on the same pair of nets, and the netlister could deduce
> that the pair is a balanced transmission line and the the resistor
> needs to be close to the input.

Yes! I think it should go even further though, to also specifying the
impedance for the component pin pair. I also imagine presets,
possibly with multiple parameters, allowing to say simply "High-speed USB"
, "10Mbps EIA-422" or "PCIe 1x" for a given pair.


//Peter