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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F071C8 датащи(PDF) 49 Page - STMicroelectronics |
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STM32F071C8 датащи(HTML) 49 Page - STMicroelectronics |
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49 / 122 page  DocID025451 Rev 5 49/122 STM32F071x8 STM32F071xB Electrical characteristics 96 6.2 Absolute maximum ratings Stresses above the absolute maximum ratings listed in Table 21: Voltage characteristics, Table 22: Current characteristics and Table 23: Thermal characteristics may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. Table 21. Voltage characteristics(1) 1. All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power supply, in the permitted range. Symbol Ratings Min Max Unit VDD–VSS External main supply voltage −0.3 4.0 V VDDIO2–VSS External I/O supply voltage −0.3 4.0 V VDDA–VSS External analog supply voltage −0.3 4.0 V VDD–VDDA Allowed voltage difference for VDD > VDDA -0.4 V VBAT–VSS External backup supply voltage −0.3 4.0 V VIN(2) 2. VIN maximum must always be respected. Refer to Table 22: Current characteristics for the maximum allowed injected current values. Input voltage on FT and FTf pins VSS −0.3 VDDIOx + 4.0(3) 3. Valid only if the internal pull-up/pull-down resistors are disabled. If internal pull-up or pull-down resistor is enabled, the maximum limit is 4 V. V Input voltage on TTa pins VSS −0.3 4.0 V BOOT0 0 9.0 V Input voltage on any other pin VSS −0.3 4.0 V | ΔVDDx| Variations between different VDD power pins - 50 mV |VSSx −VSS| Variations between all the different ground pins -50 mV VESD(HBM) Electrostatic discharge voltage (human body model) see Section 6.3.12: Electrical sensitivity characteristics - |
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