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74AC378SMX 数据表(PDF) 2 Page - National Semiconductor (TI) |
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74AC378SMX 数据表(HTML) 2 Page - National Semiconductor (TI) |
2 / 8 page Functional Description The ’AC378 consists of six edge-triggered D-type flip-flops with individual D inputs and Q inputs The Clock (CP) and Enable (E) inputs are common to all flip-flops When the E input is LOW new data is entered into the register on the LOW-to-HIGH transition of the CP input When the E input is HIGH the register will retain the present data independent of the CP input Truth Table Inputs Output E CP Dn Qn H L X No Change L L HH L L LL H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial L e LOW-to-HIGH Clock Transition Logic Diagram TLF10231 – 5 Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays 2 |
类似零件编号 - 74AC378SMX |
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类似说明 - 74AC378SMX |
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