STM32G070CB datasheet(42/93 Pages) STMICROELECTRONICS

42 / 93 page

Electrical characteristics

STM32G070CB/KB/RB

42/93

DS12766 Rev 2

5.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in Table 17, Table 18 and Table 19

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.

All voltages are defined with respect to VSS.

Table 17. Voltage characteristics

Symbol

Ratings

Min

Max

Unit

VDD

External supply voltage

- 0.3

4.0

VBAT

External supply voltage on VBAT pin

- 0.3

4.0

VREF+

External voltage on VREF+ pin

- 0.3

Min(VDD + 0.4, 4.0)

VIN(1)

Input voltage on FT_xx pins except FT_c

- 0.3

VDD + 4.0(2)

Input voltage on FT_c pins

- 0.3

5.5

Input voltage on any other pin

- 0.3

4.0

1. Refer to Table 18 for the maximum allowed injected current values.

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

Table 18. Current characteristics

Symbol

Ratings

Max

Unit

IVDD/VDDA Current into VDD/VDDA power pin (source)(1)

100

IVSS/VSSA

Current out of VSS/VSSA ground pin (sink)(1)

100

IIO(PIN)

Output current sunk by any I/O and control pin except FT_f

Output current sunk by any FT_f pin

Output current sourced by any I/O and control pin

∑IIO(PIN)

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

Total output current sourced by sum of all I/Os and control pins80

IINJ(PIN)

(2)

Injected current on a FT_xx pin

-5 / NA(3)

Injected current on a TT_a pin(4)

-5 / 0

∑|IINJ(PIN)| Total injected current (sum of all I/Os and control pins)(5)

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

supplies, in the permitted range.

2. A positive injection is induced by VIN > VDDIOx while a negative injection is induced by VIN < VSS. IINJ(PIN) must never be

exceeded. Refer also to Table 17: Voltage characteristics for the maximum allowed input voltage values.

3. Positive injection is not possible on these I/Os and does not occur for input voltages lower than the specified maximum

value.

4. On these I/Os, any current injection disturbs the analog performances of the device.

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).

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