STM32H7 datasheet(104/357 Pages) STMICROELECTRONICS

104 / 357 page

Electrical characteristics (rev Y)

STM32H742xI/G STM32H743xI/G

104/357

DS12110 Rev 10

device. It is not recommended to remove filtering capacitors to reduce PCB size or cost.

This might cause incorrect operation of the device.

6.1.7

Current consumption measurement

Figure 16. Current consumption measurement scheme

6.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 21: Voltage characteristics,

Table 22: Current characteristics, and Table 23: Thermal characteristics may cause

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

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

extended periods may affect device reliability. Device mission profile (application conditions)

is compliant with JEDEC JESD47 Qualification Standard, extended mission profiles are

available on demand.

ai14126

VBAT

VDD

VDDA

IDD_VBAT

IDD

Table 21. Voltage characteristics (1)

1. All main power (VDD, VDDA, VDD33USB, VBAT) and ground (VSS, VSSA) pins must always be connected to

the external power supply, in the permitted range.

Symbols

Ratings

Min

Max

Unit

VDDX - VSS

External main supply voltage (including VDD,

VDDLDO, VDDA, VDD33USB, VBAT)

−0.3

4.0

VIN(2)

2. VIN maximum must always be respected. Refer to Table 59 for the maximum allowed injected current

values.

Input voltage on FT_xxx pins

VSS−0.3

Min(VDD, VDDA,

VDD33USB, VBAT)

+4.0(3)(4)

Input voltage on TT_xx pins

VSS-0.3

4.0

Input voltage on BOOT0 pin

VSS

9.0

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

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