STM32F051C6 datasheet(40/104 Pages) STMICROELECTRONICS

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STM32F051x

Electrical characteristics

Doc ID 022265 Rev 3

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6.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 17: Voltage characteristics,

Table 18: Current characteristics, and Table 19: Thermal characteristics may cause

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

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

extended periods may affect device reliability.

Table 17.

Voltage characteristics(1)

All main power (VDD, VDDA) and ground (VSS, VSSA) pins must always be connected to the external power

supply, in the permitted range.

Symbol

Ratings

Min

Max

Unit

VDD–VSS

External main supply voltage

(including VDDA and VDD)

–0.3

4.0

VDD–VDDA

Allowed voltage difference for VDD

> VDDA

-0.4

VIN

(2)

VIN maximum must always be respected. Refer to Table 18: Current characteristics for the maximum

allowed injected current values.

Input voltage on FT and FTf pins

VSS − 0.3

VDD + 4.0

Input voltage on TTa pins

VSS − 0.3

4.0

Input voltage on any other pin

VSS − 0.3

4.0

ΔVDDx|

Variations between different VDD

power pins

-50

|VSSX − VSS|

Variations between all the different

ground pins

-50

VESD(HBM)

Electrostatic discharge voltage

(human body model)

see Section 6.3.11: Electrical

sensitivity characteristics

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