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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SPC572L64F2 датащи(PDF) 27 Page - STMicroelectronics |
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SPC572L64F2 датащи(HTML) 27 Page - STMicroelectronics |
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27 / 112 page  DocID027866 Rev 5 27/112 SPC572Lx Electrical characteristics 111 Figure 6. Weak pull-up electrical characteristics definition |IWPD| CC T Weak pull-down current absolute value VIN <VIL =0.9 V (TTL) 4.5 V < VDD_HV_IO <5.5 V 16 — — µA PVIN = 0.69* VDD_HV_IO 4.5 V < VDD_HV_IO < 5.5 V 50 — 130 TVIN = 0.49* VDD_HV_IO 4.5 V < VDD_HV_IO < 5.5 V 40 — — RWPD CC D Weak pull-down resistance 0.49* VDD_HV_IO <VIN < 0.69* VDD_HV_IO 4.5 V < VDD_HV_IO <5.5 V 30 — 55 k Ω 1. Weak pull-up/down is enabled within tWK_PU = 1 µs after internal/external reset has been asserted. Output voltage will depend on the amount of capacitance connected to the pin. 2. VDD_POR is the minimum VDD_HV_IO supply voltage for the activation of the device pull-up/down, and is given in the Reset electrical characteristics table of Section Reset pad (PORST, ESR0) electrical characteristics in this Datasheet. 3. VDD_POR is defined in the Table 19: Reset electrical characteristics of Section 3.10: Reset pad (PORST, ESR0) electrical characteristics in this Datasheet. 4. Weak pull-up behavior during power-up. Operational with VDD_HV_IO >VDD_POR. Table 13. I/O pull-up/pull-down DC electrical characteristics (continued) Symbol C Parameter Conditions Value Unit Min Typ Max VDD_HV_IO VDD_POR RESET(INTERNAL) pull-up RESET PAD POWER-UP Application defined Application defined POWER-DOWN enabled YES NO tWK_PU tWK_PU (1) (1) (1) 1. Actual PAD slopes will depend on external capacitances and VDD_HV_IO supply. |
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