Absolute Maximum Ratings; Table 15. Voltage Characteristics; Table 16. Current Characteristics; Table 17. Thermal Characteristics - STMicroelectronics STM32F031F4 Manual

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Electrical characteristics
6.2

Absolute maximum ratings

Stresses above the absolute maximum ratings listed in
Table 16: Current characteristics
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.
Symbol
V –V
DD
V –V
DDA
V –V
DD DDA
V –V
BAT
(2)
V
IN
|V
DDx
V
|V
SSx
V
ESD(HBM)
1. All main power (V
supply, in the permitted range.
2. V maximum must always be respected. Refer to
IN
allowed injected current values.
3. Valid only if the internal pull-up/pull-down resistors are disabled. If internal pull-up or pull-down resistor is
enabled, the maximum limit is 4 V.
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Table 15. Voltage characteristics

Ratings
External main supply voltage
SS
External analog supply voltage
SS
Allowed voltage difference for V
External backup supply voltage
SS
Input voltage on FT and FTf pins
Input voltage on TTa pins
BOOT0
Input voltage on any other pin
| Variations between different V
Variations between all the different ground
|
SS
pins
Electrostatic discharge voltage
(human body model)
, V ) and ground (V
DD DDA
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and Table 17: Thermal characteristics
> V
DD DDA
power pins
DD
, V ) pins must always be connected to the external power
SS SSA
Table 16: Current characteristics
DocID025743 Rev 3
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STM32F031x4 STM32F031x6
Table 15: Voltage characteristics,
may cause
(1)
Min Max
-0.3 4.0
-0.3 4.0
- 0.4
-0.3 4.0
 0.3
V V
SS DDIOx
 0.3
V 4.0
SS
0 9.0
0.3
V 4.0
SS
-
-
see Section 6.3.12: Electrical
sensitivity characteristics
for the maximum
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Unit
V
V
V
V
(3)
+ 4.0 V
V
V
V
50 mV
50 mV
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