It doesn't seem to say how much $$$ I'll have to pay to actually get a chip produced? efabless isn't the actual foundry, right?
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I vaguely remember prices for europractice MPW in large process nodes. They are absolutely within reach for hobby stuff.
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Oh, europractice actually has their price lists online. No login required: http://www.europractice-ic.com/general_runschedule.php …
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Replying to @oe1cxw
Oh yeah,
@azonenberg told me about that. Still too expensive to regularly make frivolous designs unlike e.g. PCBs1 reply 0 retweets 1 like -
I am working on that. A set of 10 custom chips should cost the same as a set of 8 layer PCB. So you could run wild with your ideas.
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Wait, those prices are in Euros? Some of them are pretty cheap (compared spending millions to billions)
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To get about 50 chips from a multi project wafer, you need to pay between 8000 and 20000 Euro, depending on node and size of your chip.
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This is what IP design companies do to get a "silicon proven" for their IP design. They usually do it several times until the silicon works.
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The cheapest one I saw was 300 Euros. I'm no expert on chip design, so I don't know if that node is suitable for a mcu, but it's still cheap
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You can build a uC on any process node. The only Q is the required area. It's 300 EUR/mm² (ON Semi 0.7µ). Usually smallest size is >1 mm².
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