Table 46. Output Voltage Characteristics - STMicroelectronics STM32F050G6 Manual

Electrical characteristics
Output driving current
The GPIOs (general purpose input/outputs) can sink or source up to +/-8 mA, and sink or
source up to +/- 20 mA (with a relaxed V
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
●
The sum of the currents sourced by all the I/Os on V
consumption of the MCU sourced on V
I
VDD
●
The sum of the currents sunk by all the I/Os on V
consumption of the MCU sunk on V
I
VSS
Output voltage levels
Unless otherwise specified, the parameters given in
performed under ambient temperature and V
Table 15. All I/Os are CMOS and TTL compliant (FT, TTa or TC unless otherwise specified).
Table 46.
Symbol
(1)
V
OL
(3)
V
OH
(1)
V
OL
(3)
V
OH
(1)(4)
V
OL
(3)(4)
V
OH
(1)(4)
V
OL
(3)(4)
V
OH
V
OLFM+
1. The I
IO
and the sum of I
2. TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.
3. The I
IO
Table 13
4. Data based on characterization results, not tested in production.
68/98
(see Table 13).
(see Table 13).
Output voltage characteristics
Parameter
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an I/O pin
when 5 pins are sunk at same time
Output high level voltage for an I/O pin
when 5 pins are sourced at same time
Output low level voltage for an I/O pin
when 8 pins are sunk at same time
Output high level voltage for an I/O pin
when 8 pins are sourced at same time
Output low level voltage for an FTf I/O
pin in FM+ mode
current sunk by the device must always respect the absolute maximum rating specified in
(I/O ports and control pins) must not exceed I
IO
current sourced by the device must always respect the absolute maximum rating specified in
and the sum of I (I/O ports and control pins) must not exceed I
IO
Doc ID 023079 Rev 3
V ).
OL/ OH
Section 6.2:
plus the maximum Run
DD,
cannot exceed the absolute maximum rating
DD,
plus the maximum Run
SS
cannot exceed the absolute maximum rating
SS
Table 46 are derived from tests
supply voltage conditions summarized in
DD
Conditions
(2)
CMOS port
I = +8 mA
IO
2.7 V < V < 3.6 V
DD
(2)
TTL port
I =+ 8mA
IO
2.7 V < V < 3.6 V
DD
I = +20 mA
IO
2.7 V < V < 3.6 V
DD
I = +6 mA
IO
2 V < V < 2.7 V
DD
I = +20 mA
IO
2.7 V < V < 3.6 V
DD
.
VSS
STM32F050xx
Min Max
- 0.4
V –0.4 -
DD
- 0.4
2.4 -
- 1.3
V –1.3 -
DD
- 0.4
V –0.4 -
DD
- 0.4
Table 13
.
VDD
Unit
V
V
V
V
V