Quote:
Originally Posted by Herald1360
I reckon U for ICs is just a variation on μ (for μcircuit or microcircuit) corrupted further by being uppercase since uppercase μ is M which would really confuse things (megacircuit anyone?).
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Fairchild's first rather-simple ICs were called the "Micrologic" series and the marketing blurbs of the era interchanged μ and U wantonly.
I've got a few μL914 chips here - what can you actually *do* with two long-tailed-pairs?