STM8S903K3 datasheet(52/124 Pages) STMICROELECTRONICS

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Electrical characteristics

STM8S903K3 STM8S903F3

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DocID15590 Rev 12

Figure 9. Pin input voltage

10.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 18: Voltage characteristics,

Table 19: Current characteristics and Table 20: Thermal characteristics may cause

permanent damage to the device. These are stress ratings only and a functional operation

of the device at these conditions is not implied. Exposure to maximum rating conditions for

extended periods may affect the device’s reliability.

The device’s mission profile (application conditions) is compliant with the JEDEC JESD47

Qualification Standard, the extended mission profiles are available on demand.

Table 18. Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDDx - VSS

Supply voltage (including VDDA and VDDIO)(1)

1. All power (VDD) and ground (VSS) pins must always be connected to the external power supply

-0.3

6.5

VIN

Input voltage on true open drain pins(2)

2. This 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

VSS - 0.3

6.5

Input voltage on any other pin(2)

VSS - 0.3

VDD + 0.3

|VDDx - VDD| Variations between different power pins

|VSSx - VSS| Variations between all the different ground pins

VESD

Electrostatic discharge voltage

see Absolute maximum ratings

(electrical sensitivity) on

page 88

Table 19. Current characteristics

Symbol

Ratings

Max.(1)

Unit

IVDD

Total current into VDD power lines (source)(2)

100

IVSS

Total current out of VSS ground lines (sink)(1)

IIO

Output current sunk by any I/O and control pin

Output current source by any I/Os and control pin

-20

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