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DM54194J датащи(PDF) 3 Page - National Semiconductor (TI) |
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DM54194J датащи(HTML) 3 Page - National Semiconductor (TI) |
3 / 6 page Switching Characteristics at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) Symbol Parameter From (Input) RL e 400X CL e 15 pF Units To (Output) Min Max fMAX Maximum Clock Frequency 25 MHz tPLH Propagation Delay Time Clock 22 ns Low to High Level Output to Q tPHL Propagation Delay Time Clock 26 ns High to Low Level Output to Q tPHL Propagation Delay Time Clear 30 ns High to Low Level Output to Q Function Table Inputs Outputs Clear Mode Clock Serial Parallel QA QB QC QD S1 S0 Left Right A B C D LX X X X X X X X X L L L L HX X L X X X X X X QA0 QB0 QC0 QD0 HH H u XX a b c d a b c d HL H u XH X X X X H QAn QBn QCn HL H u XL X X X X L QAn QBn QCn HH L u HX X X X X QBn QCn QDn H HH L u LX X X X X QBn QCn QDn L HL L X X X X X X X QA0 QB0 QC0 QD0 H e High Level (steady state) L e Low Level (steady state) X e Don’t Care (any input including transitions) u e Transition from low to high level a b c d e The level of steady state input at inputs A B C or D respectively QA0 QB0 QC0 QD0 e The level of QA QB QC orQD respectively before the indicated steady state input conditions were established QAn QBn QCn QDn e The level of QA QB QC respectively before the most recent u transition of the clock 3 |
Аналогичный номер детали - DM54194J |
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Аналогичное описание - DM54194J |
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