STM8AF6213 datasheet(55/106 Pages) STMICROELECTRONICS

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DocID025118 Rev 5

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STM8AF6213/23/23A/26

Electrical characteristics

103

Table 23. Current characteristics

Symbol

Ratings

Max.(1)

1. Data based on characterization results, not tested in production.

Unit

IVDD

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

2. All power (VDD, VDDIO, VDDA) and ground (VSS, VSSIO, VSSA) 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

∑IINJ(PIN) in the I/O port pin characteristics section does not affect the ADC accuracy

Injected current on RST 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 ∑IINJ(PIN) is the absolute sum of

the positive and negative injected currents (instantaneous values). These results are based on

characterization with ∑IINJ(PIN) maximum current injection on four I/O port pins of the device.

±4

∑IINJ(TOT)(3)

Total injected current (sum of all I/O and control pins)(5)

±20

Table 24. Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

-65 to 150

°C

Maximum junction temperature

150

Table 25. Operating lifetime (OLF)

Symbol

Ratings

Value

Unit

OLF

Conforming to AEC-Q100

-40 to 150

°C

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