Datasheet

Electrical characteristics STM32F051x4 STM32F051x6 STM32F051x8
56/121 DocID022265 Rev 6
Table 30. Switching output I/O current consumption
Symbol Parameter Conditions
(1)
1. C
S
= 7 pF (estimated value).
I/O toggling
frequency (f
SW
)
Typ Unit
I
SW
I/O current
consumption
V
DDIOx
= 3.3 V
C =C
INT
4 MHz 0.07
mA
8 MHz 0.15
16 MHz 0.31
24 MHz 0.53
48 MHz 0.92
V
DDIOx
= 3.3 V
C
EXT
= 0 pF
C = C
INT
+ C
EXT
+ C
S
4 MHz 0.18
8 MHz 0.37
16 MHz 0.76
24 MHz 1.39
48 MHz 2.188
V
DDIOx
= 3.3 V
C
EXT
= 10 pF
C = C
INT
+ C
EXT
+ C
S
4 MHz 0.32
8 MHz 0.64
16 MHz 1.25
24 MHz 2.23
48 MHz 4.442
V
DDIOx
= 3.3 V
C
EXT
= 22 pF
C = C
INT
+ C
EXT
+ C
S
4 MHz 0.49
8 MHz 0.94
16 MHz 2.38
24 MHz 3.99
V
DDIOx
= 3.3 V
C
EXT
= 33 pF
C = C
INT
+ C
EXT
+ C
S
4 MHz 0.64
8 MHz 1.25
16 MHz 3.24
24 MHz 5.02
V
DDIOx
= 3.3 V
C
EXT
= 47 pF
C = C
INT
+ C
EXT
+ C
S
C = C
int
4 MHz 0.81
8 MHz 1.7
16 MHz 3.67
V
DDIOx
= 2.4 V
C
EXT
= 47 pF
C = C
INT
+ C
EXT
+ C
S
C = C
int
4 MHz 0.66
8 MHz 1.43
16 MHz 2.45
24 MHz 4.97
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.