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54AC74 Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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54AC74 Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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Connection Diagrams Pin Assignment for DIP and Flatpak Pin Assignment for LCC 10026604 10026605 Truth Table (Each Half) Inputs Outputs S D C D CP D Q Q LH X X HL HL X X LH LL X X H H HH N HH L HH N LL H HH L X Q 0 Q 0 H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial N = LOW-to-HIGH Clock Transition Q0(Q0) = Previous Q(Q) before LOW-to-HIGH Transition of Clock Logic Diagram 10026606 Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. www.national.com 2 |
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