Datasheet

Electrical characteristics STM32L071xx
92/144 DS10690 Rev 6
Figure 25. V
IH
/V
IL
versus VDD (CMOS I/Os)
Figure 26. V
IH
/V
IL
versus VDD (TTL I/Os)
Output driving current
The GPIOs (general purpose input/outputs) can sink or source up to ±8 mA, and sink or
source up to ±15 mA with the non-standard V
OL
/V
OH
specifications given in Table 59.
In the user application, the number of I/O pins which can drive current must be limited to
respect the absolute maximum rating specified in Section 6.2:
• The sum of the currents sourced by all the I/Os on V
DD,
plus the maximum Run
consumption of the MCU sourced on V
DD,
cannot exceed the absolute maximum rating
I
VDD(Σ)
(see Table 23).
• The sum of the currents sunk by all the I/Os on V
SS
plus the maximum Run
consumption of the MCU sunk on V
SS
cannot exceed the absolute maximum rating
I
VSS(Σ)
(see Table 23).
MSv34789V1
V
DD
(V)
V
IHmin
2.0
V
ILmax
0.7
V
IL
/V
IH
(V)
1.3
2.0 3.6
CMOS standard requirements V
IHmin
= 0.7V
DD
V
ILmax
= 0.3V
DD
0.6
2.7 3.0 3.3
CMOS standard requirements V
ILmax
= 0.3V
DD
V
IHmin
= 0.39V
DD
+0.59 (all pins
except BOOT0, PC15, PH0/1
V
IHmin
= 0.45V
DD
+0.38 for
BOOT0, PC15, PH0/1
Input range not
guaranteed
MSv34790V1
V
DD
(V)
V
IHmin
2.0
V
ILmax
0.8
V
IL
/V
IH
(V)
1.3
2.0 3.6
TTL standard requirements V
IHmin
= 2 V
V
ILmax
= 0.3V
DD
0.7
2.7 3.0 3.3
TTL standard requirements V
ILmax
= 0.8 V
Input range not
guaranteed
V
IHmin
= 0.39V
DD
+0.59 (all pins
except BOOT0, PC15, PH0/1
V
IHmin
= 0.45V
DD
+0.38 for
BOOT0, PC15, PH0/1
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