STM32U595AI datasheet(180/377 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32U59xxx

180/377

DS13633 Rev 1

Table 29. Voltage characteristics(1) (2)

Symbol

Ratings

Min

Max

Unit

VDDX - VSS

External main supply voltage (including

VDDSMPS, VDDA, VDDUSB, VDDDSI,

VBAT, VREF+)

-0.3

4.0

VDDIOx(3) - VSS

I/O supply when HSLV = 0

-0.3

4.0

I/O supply when HSLV = 1

-0.3

2.75

VIN(4)

Input voltage on FT_xx pins except

FT_c pins

VSS - 0.3

Min (min (VDD, VDDA, VDDUSB, VDDIO2)

+ 4.0, 6.0)(5)(6)

Input voltage on FT_t pins in

VBAT mode

VSS - 0.3

Min (min (VBAT, VDDA, VDDUSB,

VDDIO2) + 4.0, 6.0)(5)(6)

Input voltage on FT_c pins

VSS - 0.3

5.5

Input voltage on any other pins

VSS - 0.3

4.0

VREF+ - VDDA

Allowed voltage difference for

VREF+ > VDDA

-0.4

|∆VDDx|

Variations between different VDDx

power pins of the same domain

-50.0

|VSSx-VSS|

Variations between all the different

ground pins(7)

-50.0

1. All main power (VDD, VDDSMPS, VDDA, VDDUSB, VDDIO2, VDDDSI, VBAT) and ground (VSS, VSSA, VSSSMPS) pins

must always be connected to the external power supply, in the permitted range.

2. The I/O structure options listed in this table can be a concatenation of options including the option explicitly listed.

For instance TT_a refers to any TT I/O with _a option. TT_xx refers to any TT I/O and FT_xx refers to any FT I/O.

3. VDDIO1 or VDDIO2, VDDIO1 = VDD.

4. VIN maximum must always be respected. Refer to Table 30 for the maximum allowed injected current values.

5. To sustain a voltage higher than 4 V, the internal pull-up/pull-down resistors must be disabled.

6. This formula has to be applied only on the power supplies related to the I/O structure described in the pin definition table.

7. Including VREF- pin.

Table 30. Current characteristics

Symbol

Ratings

Max

Unit

∑IVDD

Total current into sum of all VDD power lines (source)(1)

200

∑IVSS

Total current out of sum of all VSS ground lines (sink)(1)

200

IVDD

Maximum current into each VDD power pin (source)(1)

100

IVSS

Maximum current out of each VSS ground pin (sink)(1)

100

IIO

Output current sunk by any I/O and control pin

Output current sourced by any I/O and control pin

∑I(PIN)

Total output current sunk by sum of all I/Os and control pins(2)

120

Total output current sourced by sum of all I/Os and control pins(2)

120

IINJ(PIN)(3)(4) Injected current on FT_xx, TT_xx, RST pins

-5/+0

∑|IINJ(PIN)|

Total injected current (sum of all I/Os and control pins)(5)

±25

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