STM32L081CB datasheet(44/110 Pages) STMICROELECTRONICS

44 / 110 page

Electrical characteristics

STM32L081xx

44/110

DocID027513 Rev 4

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

Symbol

Definition

Min

Max

Unit

VDD–VSS

External main supply voltage



(including VDDA, VDDIO2 VDD)(1)

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

supply, in the permitted range.

–0.3

4.0

VIN(2)

VIN maximum must always be respected. Refer to Table 18 for maximum allowed injected current values.

Input voltage on FT and FTf pins

VSS  0.3

VDD+4.0

Input voltage on TC pins

VSS  0.3

4.0

Input voltage on BOOT0

VSS

VDD 4.0

Input voltage on any other pin

VSS 0.3

4.0

VDD|

Variations between different VDDx power pins

|VDDA-VDDx|

Variations between any VDDx and VDDA power

pins(3)

3. It is recommended to power VDD and VDDA from the same source. A maximum difference of 300 mV

between VDD and VDDA can be tolerated during power-up and device operation. VDDIO2 is independent

from VDD and VDDA: its value does not need to respect this rule.

300

VSS|

Variations between all different ground pins

VESD(HBM)

Electrostatic discharge voltage



(human body model)

see Section 6.3.11

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