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		(title "How to get right by being completely wrong")
		(date "2024-05-01")
		(company "Silicon Chronicles")
		(comment 1 "Building AND gates the wrong way")
		(comment 2 "Part IV")
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	(text "AND gate 2.0 is powered through the output. If disconected from\nthe LED, it can't work (it has no VCC connection!)\n\nAND gate 2.1 fixes this... but even if the output LED looks OK,\nthe LED and output voltages are inverted. Output voltages show\nthat it is in fact a NAND gate!\n\nNAND gate 1.0 is exactly the same gate. It's just shown connected to a\nLED towards GND (the \"usual\" way) to visualize better that it has\nNAND behaviour rather than AND. This follows the style of RTL nand\n\nNOT gate 1.0 builds on the equivalence: not A ≡ A nand A\nNOT gate 1.1 simplifies 1.0, and is a NOT gate in RTL style. RTL ICs\nusually had slightly more complicated NOT gates (\"buffered\").\n\nNote: standard RTL gates commercialized used different R values.\n"
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