Datasheet
DocID025409 Rev 8 59/121
STM32F334x4 STM32F334x6 STM32F334x8 Electrical characteristics
101
I/O system current consumption
The current consumption of the I/O system has two components: static and dynamic.
I/O static current consumption
All the I/Os used as inputs with pull-up generate current consumption when the pin is
externally held low. The value of this current consumption can be simply computed by using
the pull-up/pull-down resistors values given in
Table 50: I/O static characteristics.
Table 31. Typical current consumption in Sleep mode, code running from Flash or RAM
Symbol Parameter Conditions f
HCLK
Typ.
Unit
Peripherals
enabled
Peripherals
disabled
I
DD
Supply current in
Sleep mode from
V
DD
supply
Running from HSE
crystal clock 8 MHz,
code executing from
Flash or RAM
72 MHz 51.8 6.3
mA
64 MHz 46.4 5.7
48 MHz 35.0 4.40
32 MHz 23.7 3.13
24 MHz 18.0 2.49
16 MHz 12.2 1.85
8 MHz 6.2 0.99
4 MHz 3.68 0.88
2 MHz 2.26 0.80
1 MHz 1.55 0.76
500 kHz 1.20 0.74
125 kHz 0.89 0.72
I
DDA
(1)
(2)
Supply current in
Sleep mode from
V
DDA
supply
72 MHz 239.0 236.7
µA
64 MHz 209.4 207.8
48 MHz 154.0 152.9
32 MHz 103.7 103.2
24 MHz 80.1 79.8
16 MHz 56.7 56.6
8 MHz 1.14 1.14
4 MHz 1.14 1.14
2 MHz 1.14 1.14
1 MHz 1.14 1.14
500 kHz 1.14 1.14
125 kHz 1.14 1.14
1. V
DDA
supervisor is OFF.
2. When peripherals are enabled, the power consumption of the analog part of peripherals such as ADC, DAC, Comparators,
OpAmp and others, is not included. Refer to the tables of characteristics in the subsequent sections.
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