STM32U375CE datasheet(89/222 Pages) STMICROELECTRONICS

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Symbol

Ratings

Min

Max

Unit

VIN(4)

Input voltage on FT_t and FT_o pins in VBAT mode

VSS - 0.3

Min (min (VBAT, VDDA, VDDUSB,

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

PC13

VSS - 0.3

Min (min (VDD,VSW) + 4.0, 6.0)

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. If HSLV = 0.

2. VDDIO1 or VDDIO2 or VSW. VDDIO1 = VDD.

3. HSLV = High-speed low-voltage mode. Refer to General-purpose I/Os (GPIO) section of RM0487.

4. VIN maximum must always be respected. Refer to Table 25 for the maximum allowed injected current values.

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

6. To sustain a voltage higher than 4 V, the internal pull

‑up/pull‑down resistors must be disabled.

7. Including VREF- pin.

Table 25. Current characteristics

Symbol

Ratings

Max

Unit

∑IVDD

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

150

∑IVSS

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

150

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

1. All main power (VDD, VDDSMPS, VDDA, VDDUSB, VDDIO2, VBAT) and ground (VSS, VSSA) pins must always be connected to the external power

supplies, in the permitted range.

2. This current consumption must be correctly distributed over all I/Os and control pins. The total output current must not be sunk/sourced

between two consecutive power supply pins, referring to high pin count QFP packages.

3. A negative injection is induced by VIN < VSS. IINJ(PIN) must never be exceeded. Refer also to Table 24 for the minimum allowed input voltage

values.

4. Positive injection (when VIN > VDDIOx) is not possible on these I/Os and does not occur for input voltages lower than the specified maximum

value.

5. When several inputs are submitted to a current injection, the maximum ∑IINJ(PIN) is the absolute sum of the negative injected currents

(instantaneous values).

Table 26. Thermal characteristics

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

–65 to +150

°C

Maximum junction temperature

110

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 89/222

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