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STM8S003F3 Datasheet(PDF) 48 Page - STMicroelectronics |
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STM8S003F3 Datasheet(HTML) 48 Page - STMicroelectronics |
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48 / 104 page  Electrical characteristics STM8S003F3 STM8S003K3 48/104 DocID018576 Rev 9 Table 17. Current characteristics Symbol Ratings Max.(1) 1. Data based on characterization results. Unit IVDD Total current into VDD power lines (source)(2) 2. All power (VDD) and ground (VSS) pins must always be connected to the external supply. 100 mA IVSS Total current out of VSS ground lines (sink)(2) 80 IIO Output current sunk by any I/O and control pin 20 Output current source by any I/Os and control pin -20 IINJ(PIN)(3)(4) 3. 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. For true open-drain pads, there is no positive injection current, and the corresponding VIN maximum must always be respected 4. ADC accuracy vs. negative injection current: Injecting negative current on any of the analog input pins should be avoided as this significantly reduces the accuracy of the conversion being performed on another analog input. It is recommended to add a Schottky diode (pin to ground) to standard analog pins which may potentially inject negative current. Any positive injection current within the limits specified for IINJ(PIN) and ΣIINJ(PIN) in the I/O port pin characteristics section does not affect the ADC accuracy. Injected current on NRST pin ±4 Injected current on OSCIN pin ±4 Injected current on any other pin(5) 5. When several inputs are submitted to a current injection, the maximum ΣIINJ(PIN) is the absolute sum of the positive and negative injected currents (instantaneous values). These results are based on characterization with ΣIINJ(PIN) maximum current injection on four I/O port pins of the device. ±4 ΣIINJ(PIN)(3) Total injected current (sum of all I/O and control pins)(5) ±20 Table 18. Thermal characteristics Symbol Ratings Value Unit TSTG Storage temperature range -65 to 150 °C TJ Maximum junction temperature 150 |
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