Datasheet

DocID029968 Rev 3 141/210
STM32L452xx Electrical characteristics
186
6.3.14 I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 71 are derived from tests
performed under the conditions summarized in Table 23: General operating conditions. All
I/Os are designed as CMOS- and TTL-compliant.
Table 71. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
(1)
I/O input low level
voltage
1.62 V<V
DDIOx
<3.6 V - - 0.3xV
DDIOx
(2)
V
I/O input low level
voltage
1.62 V<V
DDIOx
<3.6 V - - 0.39xV
DDIOx
-0.06
(3)
I/O input low level
voltage
1.08 V<V
DDIOx
<1.62 V - - 0.43xV
DDIOx
-0.1
(3)
V
IH
(1)
I/O input high level
voltage
1.62 V<V
DDIOx
<3.6 V 0.7xV
DDIOx
(2)
--
V
I/O input high level
voltage
1.62 V<V
DDIOx
<3.6 V 0.49xV
DDIOX
+0.26
(3)
--
I/O input high level
voltage
1.08 V<V
DDIOx
<1.62 V 0.61xV
DDIOX
+0.05
(3)
--
V
hys
(3)
TT_xx, FT_xxx and
NRST I/O input
hysteresis
1.62 V<V
DDIOx
<3.6 V - 200 -
mV
FT_sx 1.08 V<V
DDIOx
<1.62 V - 150 -
I
lkg
FT_xx input leakage
current
(3)
V
IN

Max(V
DDXXX
)
(4)(5)
--±100
nA
Max(V
DDXXX
)  V
IN

Max(V
DDXXX
)+1 V
(4)(5)
(6)
--650
(3)(7)
Max(V
DDXXX
)+1 V <
VIN  5.5 V
(3)(5)(6)
- - 200
(7)
FT_u and PC3 I/O
V
IN
 Max(V
DDXXX
)
(4)(5)
--±150
Max(V
DDXXX
)  V
IN

Max(V
DDXXX
)+1 V
(4)(5)
- - 2500
(3)
Max(V
DDXXX
)+1 V <
VIN  5.5 V
(4)(5)(6)
- - 250
TT_xx input leakage
current
V
IN
 Max(V
DDXXX
)
(7)
--±150
Max(V
DDXXX
)  V
IN
<
3.6 V
(7)
- - 2000
(3)
R
PU
Weak pull-up
equivalent resistor
(8)
V
IN
= V
SS
25 40 55 k
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.