STM32L443CC datasheet(83/207 Pages) STMICROELECTRONICS

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STM32L443CC STM32L443RC STM32L443VC

Electrical characteristics

177

6.1.7

Current consumption measurement

Figure 17. Current consumption measurement scheme

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)

Symbol

Ratings

Min

Max

Unit

VDDX - VSS

External main supply voltage (including

VDD, VDDA, VDDUSB, VLCD, VBAT)

-0.3

4.0

VIN(2)

Input voltage on FT_xxx pins

VSS-0.3

min (VDD, VDDA, VDDUSB, VLCD)

+ 4.0(3)(4)

Input voltage on TT_xx pins

VSS-0.3

4.0

Input voltage on any other pins

VSS-0.3

4.0

|∆VDDx|

Variations between different VDDX power

pins of the same domain

-50

|VSSx-VSS|

Variations between all the different ground

pins(5)

-50

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

power supply, in the permitted range.

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

current values.

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