поискавой системы для электроныых деталей |
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74F525SCX датащи(PDF) 4 Page - National Semiconductor (TI) |
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74F525SCX датащи(HTML) 4 Page - National Semiconductor (TI) |
4 / 10 page Timing Diagrams TLF9547 – 5 j With XTR HIGH the rising edge of CP loads data from the latches to the counter k With XTR LOW the rising edge of CP begins count-down cycle l When the count reaches zero Q goes HIGH and Q2 toggles state m The next occurrence of XTR clears Q FIGURE 1 MODE 0 and MODE 1 (Inverse Output of Mode 0) Mn e 000 001 TLF9547 – 6 j With XTR HIGH the rising edge of CP loads data from the latches to the counter k With XTR LOW the rising edge of CP begins the count-down cycle l When the count reaches zero Q goes HIGH for one period of CP and Q2 toggles state FIGURE 2 MODE 2 and MODE 3 (Inverse Output of Mode 2) Mn e 010 011 TLF9547 – 7 FIGURE 3 MODE 4 and MODE 5 Mn e 100 101 j With XTR HIGH the rising edge of CP loads data from the latches into the counter k With XTR LOW the rising edge of CP begins the count-down l With XTR HIGH during count-down the rising edge of CP does nothing m When the count reaches zero Q goes HIGH for one clock cycle and Q2 toggles state Note Once the count reaches zero the counter can be reloaded with XTR HIGH 4 |
Аналогичный номер детали - 74F525SCX |
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Аналогичное описание - 74F525SCX |
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