Datasheet

DS6329 Rev 16 105/184
STM32F20xxx Electrical characteristics
183
6.3.16 I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 50 are derived from tests
performed under the conditions summarized in Table 14: General operating conditions.
All I/Os are CMOS and TTL compliant.
Table 46. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
FT, TTa and NRST I/O
input low level voltage
1.7 V
≤ V
DD
≤ 3.6 V - -
0.35V
DD
–0.04
(1)
V
0.3V
DD
(2)
BOOT0 I/O
input low level voltage
1.75 V≤ V
DD
≤ 3.6 V,
–40 °C
≤ T
A
≤ 105 °C
--
0.1V
DD
+0.1
(1)
1.7 V≤ V
DD
≤ 3.6 V,
0 °C≤ T
A
≤ 105 °C
--
V
IH
FT, TTa and NRST I/O
input high level voltage
(5)
1.7 V≤ V
DD
≤ 3.6 V
0.45V
DD
+0.3
(1)
--
V
0.7V
DD
(2)
BOOT0 I/O
input high level voltage
1.75 V
≤ V
DD
≤ 3.6 V,
–40 °C≤ T
A
≤ 105 °C
0.17V
DD
+0.7
(1)
--
1.7 V≤ V
DD
≤ 3.6 V,
0 °C
≤ T
A
≤ 105 °C
V
HYS
FT, TTa and NRST I/O
input hysteresis
1.7 V
≤ V
DD
≤ 3.6 V 0.45V
DD
+0.3
(1)
--
V
BOOT0 I/O
input hysteresis
1.75 V
≤ V
DD
≤ 3.6 V,
–40 °C≤ T
A
≤ 105 °C
10%V
DDIO
(1)(3)
--
1.7 V≤ V
DD
≤ 3.6 V,
0 °C
≤ T
A
≤ 105 °C
100
(1)
--
I
lkg
I/O input leakage current
(4)
V
SS
≤ V
IN
≤ V
DD
-- ±1
µA
I/O FT input leakage current
(5)
V
IN
= 5 V - - 3
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