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74HC373DB Scheda tecnica(PDF) 4 Page - NXP Semiconductors |
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74HC373DB Scheda tecnica(HTML) 4 Page - NXP Semiconductors |
4 / 8 page September 1993 4 Philips Semiconductors Product specification Octal D-type transparent latch; 3-state 74HC/HCT373 Fig.4 Functional diagram. Fig.5 Logic diagram (one latch). FUNCTION TABLE Notes 1. H = HIGH voltage level h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition L = LOW voltage level I = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition X = don’t care Z = high impedance OFF-state OPERATING MODES INPUTS INTERNAL LATCHES OUTPUTS OE LE Dn Q0 to Q7 enable and read register (transparent mode) L L H H L H L H L H latch and read register L L L L l h L H L H latch register and disable outputs H H X X X X X X Z Z Fig.6 Logic diagram. |
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