STM32F745IE Datasheet, PDF (97/227 Pages) STMicroelectronics – Up to 168 I/O ports with interrupt capability

STM32F745xx STM32F746xx
Electrical characteristics
Table 15. Current characteristics
Symbol
Ratings
Max.
Unit
ΣI_VDD
Σ I_VSS
Σ I_VDDUSB
I_VDD
I_VSS
I_IO
Total current into sum of all V_{DD_x} power lines (source)⁽¹⁾
Total current out of sum of all V_{SS_x} ground lines (sink)⁽¹⁾
Total current into V_DDUSB power line (source)
Maximum current into each V_{DD_x} power line (source)⁽¹⁾
Maximum current out of each V_{SS_x} ground line (sink)⁽¹⁾
Output current sunk by any I/O and control pin
Output current sourced by any I/Os and control pin
Total output current sunk by sum of all I/O and control pins ⁽²⁾
320
− 320
25
100
− 100
25
− 25
mA
120
ΣI_IO
Total output current sunk by sum of all USB I/Os
Total output current sourced by sum of all I/Os and control pins⁽²⁾
25
− 120
I_INJ(PIN)
Injected current on FT, FTf, RST and B pins ⁽³⁾
Injected current on TTa pins⁽⁴⁾
− 5/+0
±5
ΣI_INJ(PIN)(4) Total injected current (sum of all I/O and control pins)⁽⁵⁾
±25
1. Apellrmmaittinedporawnegre(.V_DD, V_DDA) and ground (V_SS, V_SSA) pins must always be connected to the external power supply, in the
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
exceeded. Refer to
i_Ts_ain_bd_leu₁ce₄d_{: V}b_oy_ltV_agINe>_cV_hDaDrAacw_teh_ril_ie_stia_csnefogratthiveevianljueectsioonf
is induced by
the maximum
Va_IlNlo<wVeSdS.inI_{IpNuJt(PvIoNl)tamgues.} t
never
be
5.
When several inputs are submitted to a current injection,
negative injected currents (instantaneous values).
the
maximum
ΣI_INJ(PIN)
is
the
absolute
sum
of
the
positive
and
Table 16. Thermal characteristics
Symbol
Ratings
Value
Unit
T_STG
T_J
Storage temperature range
Maximum junction temperature
− 65 to +150
°C
125
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