STM32L471XX Datasheet, PDF (94/218 Pages) STMicroelectronics – Batch acquisition mode

Electrical characteristics
STM32L471xx
Table 20. Current characteristics
Symbol
Ratings
Max
Unit
∑IV_DD
Total current into sum of all V_DD power lines (source)⁽¹⁾
150
∑IV_SS
Total current out of sum of all V_SS ground lines (sink)⁽¹⁾
150
IV_DD(PIN)
Maximum current into each V_DD power pin (source)⁽¹⁾
100
IV_SS(PIN)
Maximum current out of each V_SS ground pin (sink)⁽¹⁾
100
Output current sunk by any I/O and control pin except FT_f
20
I_IO(PIN)
∑I_IO(PIN)
Output current sunk by any FT_f pin
Output current sourced by any I/O and control pin
Total output current sunk by sum of all I/Os and control pins⁽²⁾
Total output current sourced by sum of all I/Os and control pins⁽²⁾
20
20
mA
100
100
I_INJ(PIN)(3)
Injected current on FT_xxx, TT_xx, RST and B pins, except PA4,
PA5
Injected current on PA4, PA5
-5/+0⁽⁴⁾
-5/0
∑|I_INJ(PIN)|
Total injected current (sum of all I/Os and control pins)⁽⁵⁾
25
1.
All main power
supplies, in the
(pVe_DrmD,itVte_{DdDAra, nVgDeD.IO2},
V_BAT)
and
ground
(V_SS,
V_SSA)
pins
must
always
be
connected
to
the
external
power
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. _{sPpoescitiifvieedinmjeacxtiimonum(whvaelnueV.IN} > V_DDIOx) is not possible on these I/Os and does not occur for input voltages lower than the
4.
A negative injection is
characteristics for the
minidnuimceudmbayllVow^INe<d
Vin_{SpSu.tIvINoJl(tPaIgNe)}
must never
values.
be
exceeded.
Refer
also
to
Table
19:
Voltage
5.
When several inputs are submitted to a current
injected currents (instantaneous values).
injection,
the
maximum
∑|I_INJ(PIN)|
is
the
absolute
sum
of
the
negative
Table 21. Thermal characteristics
Symbol
Ratings
Value
Unit
T_STG
T_J
Storage temperature range
Maximum junction temperature
–65 to +150
°C
150
°C
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