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74F109SC Datasheet(PDF) 2 Page - Fairchild Semiconductor |
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74F109SC Datasheet(HTML) 2 Page - Fairchild Semiconductor |
2 / 7 page www.fairchildsemi.com 2 Truth Table H (h) = HIGH Voltage Level L (l) = LOW Voltage Level = LOW-to-HIGH Transition X = Immaterial Q0 (Q0) = Before LOW-to-HIGH Transition of Clock Lower case letters indicate the state of the referenced output one setup time prior to the LOW-to-HIGH clock transition. Unit Loading/Fan Out Block Diagram Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. Inputs Outputs SD CD CP J K QQ L H XXX H L H L XXX L H L L XXX H H HH II L H HH hI Toggle HH Ih Q Q HH hh H L HH L X XQ Q Pin Names Description U.L. Input IIH/IIL HIGH/LOW Output IOH/IOL J1, J2, K1, K2 Data Inputs 1.0/1.0 20 µA/−0.6 mA CP1, CP2 Clock Pulse Inputs (Active Rising Edge) 1.0/1.0 20 µA/−0.6 mA CD1, CD2 Direct Clear Inputs (Active LOW) 1.0/3.0 20 µA/−1.8 mA SD1, SD2 Direct Set Inputs (Active LOW) 1.0/3.0 20 µA/−1.8 mA Q1, Q2, Q1, Q2 Outputs 50/33.3 −1 mA/20 mA |
Número de pieza similar - 74F109SC |
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Descripción similar - 74F109SC |
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