Try and find Motorola's TTL Data Book. It should be online somewhere (I have the PDF here -- it's ~8mb). Attached is the logic diagram & truth table for the 74LS85 from the book. Also attached is the pinout for the logic symbols they use (ie, which pin is A3, A2, etc.). Hope it helps.Originally posted by nitro604@Mar 28 2005, 03:44 PM
i need help figuring out what goes on in a 4 bit comparator chip, the 74LS85 chip.
i need to know what gates are used.
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by Jake Hertz