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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STW4510 датащи(PDF) 46 Page - STMicroelectronics |
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STW4510 датащи(HTML) 46 Page - STMicroelectronics |
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46 / 57 page  Obsolete Product(s) - Obsolete Product(s) Electrical and timing characteristics STw4510 46/57 4.2.6 Power supply monitoring This block monitors the Vsdc1 and Vsdc2 output voltage. If Vsdc1 or Vsdc2 drops below the threshold, the processor is reset. 4.3 Digital specifications All electrical specifications having the VddIO voltage as reference will be able to sustain 1.8 V or 2.8 V ± 5 % for VddIO voltage supply. VddIO ball could be connected to Vsdc2 at 1.8 V or to external voltage at 1.8 V or at a maximum voltage of 2.8 V ± 5 % 4.3.1 CMOS input/output static characteristics: I²C interface Table 24. Power supply monitoring Symbol Description Test conditions Min. Typ. Max. Units Threshold THCORE Threshold Vsdc1 Vsdc1 = 1.2 V or 1.5 V -3% Vsdc1-150 +3% mV Vsdc1 = 1 V -3% Vsdc1-100 +3% mV THVIO Threshold Vsdc2 -3% 1.65 +3% V Table 25. CMOS input/output static characteristics: I²C interface Symbol Description Test conditions Min. Typ. Max. Units I²C interface VIL Low level input voltage 0.3*VddIO V VIH High level input voltage 0.7*VddIO V IIL Low level input current -1.0 1.0 µA IIH High level input current -1.0 1.0 µA VOL Low level output voltage IOL = 3mA (with open drain or open collector) 0.2*VddIO VOH High level output voltage IOL = 3mA (with open drain or open collector) 0.8*VddIO |
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