STM8S003F3P6 datasheet(48/103 Pages) STMICROELECTRONICS

48 / 103 page

Electrical characteristics

STM8S003F3 STM8S003K3

48/103

DS7147 Rev 10

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

IVSS

Total current out of VSS ground lines (sink)(2)

IIO

Output current sunk by any I/O and control pin

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

Maximum junction temperature

150

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