Datasheet

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STM32F765xx STM32F767xx STM32F768Ax STM32F769xx Electrical characteristics
220
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 40 and
Table 68, respectively.
Table 67. Output voltage characteristics
Symbol Parameter Conditions Min Max Unit
V
OL
(1)
1. The I
IO
current sunk by the device must always respect the absolute maximum rating specified in Table 16.
and the sum of I
IO
(I/O ports and control pins) must not exceed I
VSS
.
Output low level voltage for an I/O pin
CMOS port
(2)
I
IO
= +8 mA
2.7 V
≤ V
DD
≤ 3.6 V
2. TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.
-0.4
V
V
OH
(3)
3. The I
IO
current sourced by the device must always respect the absolute maximum rating specified in
Table 16 and the sum of I
IO
(I/O ports and control pins) must not exceed I
VDD
.
Output high level voltage for an I/O pin
except PC14
CMOS port
(2)
I
IO
= -8 mA
2.7 V
≤ V
DD
≤ 3.6 V
V
DD
− 0.4 -
V
OH
(3)
Output high level voltage for PC14
CMOS port
(2)
I
IO
= -2 mA
2.7 V
≤ V
DD
≤ 3.6 V
V
DD
− 0.4 -
V
OL
(1)
Output low level voltage for an I/O pin
TTL port
(2)
I
IO
=+8mA
2.7 V
≤ V
DD
≤ 3.6 V
-0.4
V
V
OH
(3)
Output high level voltage for an I/O pin
except PC14
TTL port
(2)
I
IO
=-8mA
2.7 V
≤ V
DD
≤ 3.6 V
2.4 -
V
OL
(1)
Output low level voltage for an I/O pin
I
IO
= +20 mA
2.7 V
≤ V
DD
≤ 3.6 V
-1.3
(4)
4. Based on characterization data.
V
V
OH
(3)
Output high level voltage for an I/O pin
except PC14
I
IO
= -20 mA
2.7 V
≤ V
DD
≤ 3.6 V
V
DD
−1.3
(4)
-
V
OL
(1)
Output low level voltage for an I/O pin
I
IO
= +6 mA
1.8 V
≤ V
DD
≤ 3.6 V
-0.4
(4)
V
V
OH
(3)
Output high level voltage for an I/O pin
except PC14
I
IO
= -6 mA
1.8 V
≤ V
DD
≤ 3.6 V
V
DD
−0.4
(4)
-
V
OL
(1)
Output low level voltage for an I/O pin
I
IO
= +4 mA
1.7 V
≤ V
DD
≤ 3.6V
-0.4
(5)
5. Guaranteed by design.
VV
OH
(3)
Output high level voltage for an I/O pin
except PC14
I
IO
= -4 mA
1.7 V
≤ V
DD
≤ 3.6V
V
DD
−0.4
(5)
-
V
OH
(3)
Output high level voltage for PC14
I
IO
= -1 mA
1.7 V
≤ V
DD
≤ 3.6V
V
DD
−0.4
(5)
-
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