Datasheet

Electrical characteristics STM32F745xx STM32F746xx
96/227 DocID027590 Rev 4
5.1.7 Current consumption measurement
Figure 23. Current consumption measurement scheme
5.2 Absolute maximum ratings
Stresses above the absolute maximum ratings listed in Table 14: Voltage characteristics,
Table 15: Current characteristics, and Table 16: Thermal characteristics 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.
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Table 14. Voltage characteristics
Symbol Ratings Min Max Unit
V
DD
–V
SS
External main supply voltage (including V
DDA
, V
DD,
V
BAT
and V
DDUSB
)
(1)
1. All main power (V
DD
, V
DDA
, V
DDUSB
) and ground (V
SS
, V
SSA
) pins must always be connected to the
external power supply, in the permitted range.
− 0.3 4.0
V
V
IN
Input voltage on FT pins
(2)
2. V
IN
maximum value must always be respected. Refer to Table 15 for the values of the maximum allowed
injected current.
V
SS
− 0.3 V
DD
+4.0
Input voltage on TTa pins V
SS
− 0.3 4.0
Input voltage on any other pin V
SS
− 0.3 4.0
Input voltage on BOOT pin V
SS
9.0
|ΔV
DDx
| Variations between different V
DD
power pins - 50
mV
|V
SSX
−V
SS
| Variations between all the different ground pins
(3)
3. Include VREF- pin.
-50
V
ESD(HBM)
Electrostatic discharge voltage (human body model)
see Section 5.3.15:
Absolute maximum
ratings (electrical
sensitivity)
-
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