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STM8L151C4 数据表(PDF) 56 Page - STMicroelectronics |
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STM8L151C4 数据表(HTML) 56 Page - STMicroelectronics |
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56 / 101 page ![]() Electrical parameters STM8L151xx, STM8L152xx 56/101 Doc ID 15962 Rev 2 8.1.5 Pin input voltage The input voltage measurement on a pin of the device is described in Figure 10. Figure 10. Pin input voltage 8.2 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 device reliability. VIN STM8L PIN Table 12. Voltage characteristics Symbol Ratings Min Max Unit VDD- VSS External supply voltage (including VDDA and VDDIO) (1) 1. All power (VDD, VDDIO, VDDA) and ground (VSS, VSSIO, VSSA) pins must always be connected to the external power supply. -0.3 4.0 V VIN Input voltage on true open-drain pins (PC0 and PC1) V SS-0.3 V DD + 4.6 Input voltage on FT pins (PA7 and PE0) V SS-0.3 V DD + 4.6 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 max imum 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. For true open-drain pads, there is no positive injection current, and the corresponding VIN maximum must always be respected. V SS-0.3 4.6 VESD Electrostatic discharge voltage see Absolute maximum ratings (electrical sensitivity) on page 90 |
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