Datasheet
Electrical characteristics STM32L431xx
128/200 DocID028800 Rev 1
Table 61. I/O AC characteristics
(1)(2)
Speed Symbol Parameter Conditions Min Max Unit
00
Fmax Maximum frequency
C=50 pF, 2.7 VV
DDIOx
3.6 V - 5
MHz
C=50 pF, 1.62 VV
DDIOx
2.7 V - 1
C=50 pF, 1.08 VV
DDIOx
1.62 V - 0.1
C=10 pF, 2.7 VV
DDIOx
3.6 V - 10
C=10 pF, 1.62 VV
DDIOx
2.7 V - 1.5
C=10 pF, 1.08 VV
DDIOx
1.62 V - 0.1
Tr/Tf Output rise and fall time
C=50 pF, 2.7 VV
DDIOx
3.6 V - 25
ns
C=50 pF, 1.62 VV
DDIOx
2.7 V - 52
C=50 pF, 1.08 VV
DDIOx
1.62 V - 140
C=10 pF, 2.7 VV
DDIOx
3.6 V - 17
C=10 pF, 1.62 VV
DDIOx
2.7 V - 37
C=10 pF, 1.08 VV
DDIOx
1.62 V - 110
01
Fmax Maximum frequency
C=50 pF, 2.7 VV
DDIOx
3.6 V - 25
MHz
C=50 pF, 1.62 VV
DDIOx
2.7 V - 10
C=50 pF, 1.08 VV
DDIOx
1.62 V - 1
C=10 pF, 2.7 VV
DDIOx
3.6 V - 50
C=10 pF, 1.62 VV
DDIOx
2.7 V - 15
C=10 pF, 1.08 VV
DDIOx
1.62 V - 1
Tr/Tf Output rise and fall time
C=50 pF, 2.7 VV
DDIOx
3.6 V - 9
ns
C=50 pF, 1.62 VV
DDIOx
2.7 V - 16
C=50 pF, 1.08 VV
DDIOx
1.62 V - 40
C=10 pF, 2.7 VV
DDIOx
3.6 V - 4.5
C=10 pF, 1.62 VV
DDIOx
2.7 V - 9
C=10 pF, 1.08 VV
DDIOx
1.62 V - 21
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