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MC14512BF Folha de dados(PDF) 6 Page - ON Semiconductor |
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MC14512BF Folha de dados(HTML) 6 Page - ON Semiconductor |
6 / 8 page MC14512B http://onsemi.com 6 LOGIC DIAGRAM 13 12 11 1 2 3 4 5 6 7 9 X7 X6 X5 X4 X3 X2 X1 X0 B C A 15 10 14 DISABLE INHIBIT VDD Z VSS 1 1 IN OUT IN 2 OUT 2 TRANSMISSION GATE SELECTED DEVICE MC14512B MC14512B MC14512B IOD ITL ITL IL LOAD DATA BUS 3–STATE MODE OF OPERATION Output terminals of several MC14512B 8–Bit Data Selectors can be connected to a single date bus as shown. One MC14512B is selected by the 3–state control, and the remaining devices are disabled into a high–impedance “off” state. The number of 8–bit data selectors, N, that may be connected to a bus line is determined from the output drive current, IOD, 3–state or disable output leakage current, ITL, and the load current, IL, required to drive the bus line (including fanout to other device inputs), and can be calculated by: ITL N = + 1 IOD – IL N must be calculated for both high and low logic state of the bus line. |
Nº de peça semelhante - MC14512BF |
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Descrição semelhante - MC14512BF |
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