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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STWBCTR датащи(PDF) 15 Page - STMicroelectronics |
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STWBCTR датащи(HTML) 15 Page - STMicroelectronics |
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15 / 36 page  DocID027322 Rev 3 15/36 STWBC Electrical characteristics 36 5.1.6 Pin output voltage The input voltage measurement on a pin is described in Figure 6. Figure 6. Pin input voltage 5.2 Absolute maximum ratings Stresses above those listed as 'absolute maximum ratings' may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to maximum rating conditions for extended periods may affect the device reliability. Table 2. Voltage characteristics Symbol Ratings Min. Max. Unit VDDX - VSSX Supply voltage(1) 1. All power VDDX (VDD, VDDA) and ground VSSX (VSS, VSSA) pins must always be connected to the external power supply. -0.3 6.5 V VIN Input voltage on any other pin(2) 2. IINJ(PIN) must never be exceeded. This is implicitly insured if VIN maximum is respected. If VIN maximum cannot be respected, the injection current must be limited externally to the IINJ(PIN) value. A positive injection is induced by VIN > VDD while a negative injection is induced by VIN < VSS. VSS -0.3 VDD +0.3 VDD - VDDA Variation between different power pins 50 mV VSS - VSSA Variation between all the different ground pins(3) 3. VSS and VSSA signals must be interconnected together with a short wire loop. 50 VESD Electrostatic discharge voltage Refer to absolute maximum ratings (electrical sensitivity) in Section 5.4.1 on page 31. |
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