Datasheet

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STM32F303x6/x8 Electrical characteristics
101
Table 18. Current characteristics
Symbol Ratings Max. Unit
ΣI
VDD
Total current into sum of all VDD power lines (source)
(1)
140
mA
ΣI
VSS
Total current out of sum of all VSS ground lines (sink)
(1)
-140
I
VDD
Maximum current into each VDD power line (source)
(1)
100
I
VSS
Maximum current out of each V
SS _x
ground line (sink)
(1)
100
I
IO(PIN)
Output current sunk by any I/O and control pin 25
Output current source by any I/O and control pin -25
ΣI
IO(PIN)
Total output current sunk by sum of all I/Os and control pins
(2)
80
Total output current sourced by sum of all I/Os and control pins
(2)
-80
I
INJ(PIN)
Injected current on TT, FT, FTf and B pins
(3)
-5 /+0
Injected current on TC and RST pin
(4)
±5
Injected current on TTa pins
(5)
±5
ΣI
INJ(PIN)
Total injected current (sum of all I/O and control pins)
(6)
±25
1. All main power (V
DD
, V
DDA
) and ground (V
SS
and V
SSA
) pins must always be connected to the external power supply, 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 LQFP packages.
3. Positive injection is not possible on these I/Os and does not occur for input voltages lower than the specified maximum
value.
4. A positive injection is induced by V
IN
> V
DD
while a negative injection is induced by V
IN
< V
SS
. I
INJ(PIN)
must never be
exceeded. Refer to Table 17: Voltage characteristics for the maximum allowed input voltage values.
5. A positive injection is induced by V
IN
> V
DDA
while a negative injection is induced by V
IN
< V
SS
. I
INJ(PIN)
must never be
exceeded. Refer also to Table 17: Voltage characteristics for the maximum allowed input voltage values. Negative injection
disturbs the analog performance of the device. See note 2.
6. When several inputs are submitted to a current injection, the maximum ΣI
INJ(PIN)
is the absolute sum of the positive and
negative injected currents (instantaneous values).
Table 19. Thermal characteristics
Symbol Ratings Value Unit
T
STG
Storage temperature range –65 to +150 °C
T
J
Maximum junction temperature 150 °C
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