STR750F datasheet(31/73 Pages) STMICROELECTRONICS

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STR750F

Electrical parameters

31/71

3.2

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.

3.2.1

Voltage characteristics

Table 6.

Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDD_x - VSS_X

(1)

All 3.3 V or 5.0 V power (VDD_IO, VDDA_ADC, VDDA_PLL) and ground (VSS_IO, VSSA_ADC, VDDA_ADC) pins

must always be connected to the external 3.3V or 5.0V supply. When powered by 3.3V, I/Os are not 5V

tolerant.

Including VDDA_ADC and VDDA_PLL

-0.3

6.5

V18 - VSS18

Digital 1.8 V Supply voltage on all V18

power pins (when 1.8 V is provided

externally)

-0.3

2.0

VIN

Input voltage on any pin (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 to

VDD_IO+0.3

VSS-0.3 to

VDD_IO+0.3

∆VDDx|

Variations between different 3.3 V or

5.0 V power pins

∆V18x|

Variations between different 1.8 V power

pins(3)

Only when using external 1.8 V power supply. All the power (V18, V18REG, V18BKP) and ground (VSS18,

VSSBKP) pins must always be connected to the external 1.8 V supply.

|VSSX - VSS|

Variations between all the different

ground pins

VESD(HBM)

Electro-static discharge voltage (Human

Body Model)

see : Absolute

Maximum

Ratings

(Electrical

Sensitivity) on

page 51

see : Absolute

Maximum

Ratings

(Electrical

Sensitivity) on

page 51

VESD(MM)

Electro-static discharge voltage (Machine

Model)

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