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74ACTQ841 Folha de dados(PDF) 2 Page - Fairchild Semiconductor |
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74ACTQ841 Folha de dados(HTML) 2 Page - Fairchild Semiconductor |
2 / 7 page www.fairchildsemi.com 2 Functional Description The ACTQ841 consists of ten D-type latches with 3-STATE outputs. The flip-flops appear transparent to the data when Latch Enable (LE) is HIGH. This allows asynchronous operation, as the output transition follows the data in transi- tion. On the LE HIGH-to-LOW transition, the data that meets the setup and hold time is latched. Data appears on the bus when the Output Enable (OE) is LOW. When OE is HIGH the bus output is in the high impedance state. Function Table H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance NC = No Change Logic 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 Internal Output Function OE LE D Q O XX X X Z High Z HH L L Z High Z HH H H Z High Z H L X NC Z Latched L H L L L Transparent L H H H H Transparent L L X NC NC Latched |
Nº de peça semelhante - 74ACTQ841_00 |
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Descrição semelhante - 74ACTQ841_00 |
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