STM8AF528ATAY datasheet(59/114 Pages) STMICROELECTRONICS

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STM8AF52/62xx, STM8AF51/61xx

Electrical characteristics

113

10.1.5

Pin input voltage

The input voltage measurement on a pin of the device is described in Figure 10.

Figure 10. Pin input voltage

10.2

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

STM8A pin

Table 22. Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDDx - VSS 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

6.5

VIN

Input voltage on true open drain pins (PE1, PE2)(2)

2. 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

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 87

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