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74HC20N Datasheet(PDF) 4 Page - NXP Semiconductors |
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74HC20N Datasheet(HTML) 4 Page - NXP Semiconductors |
4 / 6 page ![]() December 1990 4 Philips Semiconductors Product specification Dual 4-input NAND gate 74HC/HCT20 Fig.4 Functional diagram. Fig.5 HC logic diagram (one gate). Fig.6 HCT logic diagram (one gate). FUNCTION TABLE Notes 1. H = HIGH voltage level L = LOW voltage level X = don’t care INPUTS OUTPUT nA nB nC nD nY L X X X H X L X X H X X L X H X X X L H H H H H L |