Datasheet

DocID022152 Rev 8 95/202
STM32F405xx, STM32F407xx Electrical characteristics
Table 27. Switching output I/O current consumption
Symbol Parameter Conditions
(1)
I/O toggling
frequency (f
SW
)
Typ Unit
I
DDIO
I/O switching
current
V
DD
= 3.3 V
(2)
C = C
INT
2 MHz 0.02
mA
8 MHz 0.14
25 MHz 0.51
50 MHz 0.86
60 MHz 1.30
V
DD
= 3.3 V
C
EXT
= 0 pF
C = C
INT
+ C
EXT
+ C
S
2 MHz 0.10
8 MHz 0.38
25 MHz 1.18
50 MHz 2.47
60 MHz 2.86
V
DD
= 3.3 V
C
EXT
= 10 pF
C = C
INT
+ C
EXT
+ C
S
2 MHz 0.17
8 MHz 0.66
25 MHz 1.70
50 MHz 2.65
60 MHz 3.48
V
DD
= 3.3 V
C
EXT
= 22 pF
C = C
INT
+ C
EXT
+ C
S
2 MHz 0.23
8 MHz 0.95
25 MHz 3.20
50 MHz 4.69
60 MHz 8.06
V
DD
= 3.3 V
C
EXT
= 33 pF
C = C
INT
+ C
EXT
+ C
S
2 MHz 0.30
8 MHz 1.22
25 MHz 3.90
50 MHz 8.82
60 MHz -
(3)
1. C
S
is the PCB board capacitance including the pad pin. C
S
= 7 pF (estimated value).
2. This test is performed by cutting the LQFP package pin (pad removal).
3. At 60 MHz, C maximum load is specified 30 pF.
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.