Datasheet

DocID029041 Rev 6 111/255
STM32F765xx STM32F767xx STM32F768Ax STM32F769xx Electrical characteristics
220
1. Applicable only for STM32F7x9 sales types.
2. All main power (V
DD
, V
DDA
, V
DDSDMMC,
V
DDUSB,
V
DDDSI
) and ground (V
SS
, V
SSA
) pins must always be
connected to the external power supply, in the permitted range.
3. V
IN
maximum value must always be respected. Refer to Table 16 for the values of the maximum allowed
injected current.
4. Include V
REF-
pin.
Table 16. Current characteristics
Symbol Ratings Max. Unit
ΣI
VDD
Total current into sum of all V
DD_x
power lines (source)
(1)
420
mA
Σ I
VSS
Total current out of sum of all V
SS_x
ground lines (sink)
(1)
420
Σ I
VDDUSB
Total current into V
DDUSB
power line (source) 25
Σ I
VDDSDMMC
Total current into V
DDSDMMC
power line (source) 60
I
VDD
Maximum current into each V
DD_x
power line (source)
(1)
100
I
VDDSDMMC
Maximum current into V
DDSDMMC
power line (source): PG[12:9], PD[7:6] 100
I
VSS
Maximum current out of each V
SS_x
ground line (sink)
(1)
100
I
IO
Output current sunk by any I/O and control pin 25
Output current sourced by any I/Os and control pin 25
ΣI
IO
Total output current sunk by sum of all I/O and control pins
(2)
120
Total output current sunk by sum of all USB I/Os 25
Total output current sunk by sum of all SDMMC I/Os 120
Total output current sourced by sum of all I/Os and control pins except USB I/Os
(2)
120
I
INJ(PIN)
Injected current on FT, FTf, RST and B pins
(3)
5/+0
Injected current on TTa pins
(4)
±5
ΣI
INJ(PIN)
(4)
Total injected current (sum of all I/O and control pins)
(5)
±25
1. All main power (V
DD
, V
DDA
) and ground (V
SS
, 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
DDA
while a negative injection is induced by V
IN
<V
SS
. I
INJ(PIN)
must never be
exceeded. Refer to Table 15: Voltage characteristics for the values of the maximum allowed input voltage.
5. 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 17. Thermal characteristics
Symbol Ratings Value Unit
T
STG
Storage temperature range − 65 to +150
°C
T
J
Maximum junction temperature 125
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