Datasheet

DS10198 Rev 8 169/270
STM32L476xx Electrical characteristics
238
6.3.14 I/O port characteristics
General input/output characteristics
Unless otherwise specified, the parameters given in Table 70 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 (except BOOT0).
Table 70. I/O static characteristics
Symbol Parameter Conditions Min Typ Max Unit
V
IL
(1)
I/O input low level
voltage except
BOOT0
1.62 V<V
DDIOx
<3.6 V - - 0.3xV
DDIOx
(2)
V
I/O input low level
voltage except
BOOT0
1.62 V<V
DDIOx
<3.6 V - - 0.39xV
DDIOx
-0.06
(3)
I/O input low level
voltage except
BOOT0
1.08 V<V
DDIOx
<1.62 V - - 0.43xV
DDIOx
-0.1
(3)
BOOT0 I/O input low
level voltage
1.62 V<V
DDIOx
<3.6 V - - 0.17xV
DDIOx
(3)
V
IH
(1)
I/O input high level
voltage except
BOOT0
1.62 V<V
DDIOx
<3.6 V 0.7xV
DDIOx
(2)
--
V
I/O input high level
voltage except
BOOT0
1.62 V<V
DDIOx
<3.6 V 0.49xV
DDIOX
+0.26
(3)
--
I/O input high level
voltage except
BOOT0
1.08 V<V
DDIOx
<1.62 V 0.61xV
DDIOX
+0.05
(3)
--
BOOT0 I/O input high
level voltage
1.62 V<V
DDIOx
<3.6 V 0.77xV
DDIOX
(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 -
BOOT0 I/O input
hysteresis
1.62 V<V
DDIOx
<3.6 V - 200 -
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