STM32F401CB datasheet(71/134 Pages) STMICROELECTRONICS

部件名	STM32F401CB

功能描述	Up to 81 I/O ports with interrupt capability

PDF	134 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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71 / 134 page

DocID024738 Rev 5

71/134

STM32F401xB STM32F401xC

Electrical characteristics

113

Table 32. Switching output I/O current consumption

Symbol

Parameter

Conditions(1)

1. CS is the PCB board capacitance including the pad pin. CS = 7 pF (estimated value).

I/O toggling

frequency (fSW)

Typ

Unit

IDDIO

I/O switching

current

VDD = 3.3 V

C = CINT(2)

2. This test is performed by cutting the LQFP100 package pin (pad removal).

2 MHz

0.05

8 MHz

0.15

25 MHz

0.45

50 MHz

0.85

60 MHz

1.00

84 MHz

1.40

VDD = 3.3 V

CEXT = 0 pF

C = CINT + CEXT + CS

2 MHz

0.10

8 MHz

0.35

25 MHz

1.05

50 MHz

2.20

60 MHz

2.40

84 MHz

3.55

VDD = 3.3 V

CEXT =10 pF

C = CINT + CEXT + CS

2 MHz

0.20

8 MHz

0.65

25 MHz

1.85

50 MHz

2.45

60 MHz

4.70

84 MHz

8.80

VDD = 3.3 V

CEXT = 22 pF

C = CINT + CEXT + CS

2 MHz

0.25

8 MHz

1.00

25 MHz

3.45

50 MHz

7.15

60 MHz

11.55

VDD = 3.3 V

CEXT = 33 pF

C = CINT + CEXT + CS

2 MHz

0.32

8 MHz

1.27

25 MHz

3.88

50 MHz

12.34

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