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74HCT253D Scheda tecnica(PDF) 4 Page - NXP Semiconductors |
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74HCT253D Scheda tecnica(HTML) 4 Page - NXP Semiconductors |
4 / 7 page December 1990 4 Philips Semiconductors Product specification Dual 4-input multiplexer; 3-state 74HC/HCT253 FUNCTION TABLE NOTES 1. H = HIGH voltage level L = LOW voltage level X = don’t care Z = high impedance OFF-state SELECT INPUTS DATA INPUTS OUTPUT ENABLE OUTPUT S0 S1 nI0 nI1 nI2 nI3 nOE nY XXXXXX H Z L L H H L L L L L H X X X X L H X X X X X X X X L L L L L H L H L L H H H H H H X X X X X X X X L H X X X X L H L L L L L H L H Fig.4 Functional diagram. Fig.5 Logic diagram. |
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