Datasheet

Electrical characteristics STM32L151x6/8/B, STM32L152x6/8/B
84/131 DocID17659 Rev 9
Input/output AC characteristics
The definition and values of input/output AC characteristics are given in Figure 19 and
Table 44, respectively.
Unless otherwise specified, the parameters given in Table 44 are derived from tests
performed under ambient temperature and V
DD
supply voltage conditions summarized in
Table 13.
Table 44. I/O AC characteristics
(1)
OSPEEDRx
[1:0] bit
value
(1)
Symbol Parameter Conditions Min Max
(2)
Unit
00
f
max(IO)out
Maximum frequency
(3)
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-400
kHz
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-400
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-625
ns
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-625
01
f
max(IO)out
Maximum frequency
(3)
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-2
MHz
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-1
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-125
ns
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-250
10
F
max(IO)out
Maximum frequency
(3)
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-10
MHz
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-2
t
f(IO)out
t
r(IO)out
Output rise and fall time
C
L
= 50 pF, V
DD
= 2.7
V to 3.6 V
-25
ns
C
L
= 50 pF, V
DD
=
1.65 V to 2.7 V
-125