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74HCT574 データシート(PDF) 4 Page - NXP Semiconductors |
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74HCT574 データシート(HTML) 4 Page - NXP Semiconductors |
4 / 7 page December 1990 4 Philips Semiconductors Product specification Octal D-type flip-flop; positive edge-trigger; 3-state 74HC/HCT574 Fig.4 Functional diagram. FUNCTION TABLE Notes 1. H = HIGH voltage level h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition L = LOW voltage level l = LOW voltage level on set-up time prior to the LOW-to-HIGH CP transition Z = HIGH impedance OFF-state ↑ = LOW-to-HIGH clock transition OPERATING MODES INPUTS INTERNAL FLIP-FLOPS OUTPUTS OE CP Dn Q0 to Q7 load and read register L L ↑ ↑ l h L H L H load register and disable outputs H H ↑ ↑ l h L H Z Z Fig.5 Logic diagram. |
同様の部品番号 - 74HCT574 |
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同様の説明 - 74HCT574 |
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