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08:39.42 | wpwrak | finally ! :) |
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13:00.26 | atk | wpwrak: what? |
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13:44.36 | Joerg-Neo900 | I guess https://www.digikey.com/en/news/press-releases/2017/aug/digi-key-adds-kicad-pcb-model-download |
13:48.19 | pkircher | still would not trust the footprints to much |
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13:54.25 | Joerg-Neo900 | no EE ever trusts any footprints he didn't spoil himself |
14:08.34 | enyc | =) |
14:08.56 | pkircher | pretty much that |
14:09.03 | pkircher | same goes with symbols i guess |
14:16.33 | Joerg-Neo900 | well, symbols are "simple" |
14:18.20 | pkircher | depends on the pincount |
14:18.26 | pkircher | simply yes .. but tedious |
14:18.50 | Joerg-Neo900 | you could say a symbol has like maybe 8 bit per pin, while a footprint has 128bit per pin (ballpark numbers) |
14:19.22 | Joerg-Neo900 | relevant bits |
14:24.02 | Joerg-Neo900 | an example: when I know it's a logic gate, has 2 signal pins and I see "07" as part name, then I already know it's most likely a 7407 and I know the symbol must be inverter. So the info in symbol is "07" which depending on how you count it is 8 to 16bit |
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14:40.19 | Joerg-Neo900 | footprint OTOH are at least XYr1r2r3 coords for each pin, in at least int32 |
14:42.08 | Joerg-Neo900 | ok, you could assume r1r2r3 are same for all pins |
14:44.04 | pkircher | did the spanish guy come back to you ? |
14:48.17 | Joerg-Neo900 | ravelo is theone in contact with him |
14:48.37 | pkircher | ah cool .. well fingers crossed |
14:49.16 | Joerg-Neo900 | not yet anything newsworthy |
14:49.51 | Joerg-Neo900 | IOW we shouldn't discuss this in here |
14:52.36 | atk | Isn't there some standard for these footprints and pinouts? |
14:53.09 | Joerg-Neo900 | no, not really |
14:53.35 | Joerg-Neo900 | there are standard (JEDEC et all) chip cases. yes |
14:54.47 | Joerg-Neo900 | but the footprints themselves are as well determined by the requirements and capabilities of the PCB maker and assembly factory and the process they use |
14:54.48 | pkircher | https://blogs.mentor.com/tom-hausherr/blog/2010/09/22/pcb-design-perfection-starts-in-the-cad-library-part-2/ |
14:55.34 | Joerg-Neo900 | blogs.mentor.? OUCH ;-) |
14:55.55 | pkircher | nah that series is actualy very usefull |
15:01.23 | Joerg-Neo900 | indeed. Just when I read "mentor" or "mg" I feel like goosepimples |
15:02.05 | Joerg-Neo900 | prolly from personal PADS and MUSB-core experience |
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15:03.50 | pkircher | haha |
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19:01.27 | enyc_ | meeps |
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