STM32F401CDU6 datasheet(93/135 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F401xB STM32F401xC

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DocID024738 Rev 6

fmax(IO)out Maximum frequency(3)

CL = 50 pF, VDD ≥ 2.70 V

MHz

CL = 50 pF, VDD ≥ 1.7 V

12.5

CL = 10 pF, VDD ≥ 2.70 V

CL = 10 pF, VDD ≥ 1.7 V

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 50 pF, VDD ≥2.7 V

CL = 50 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 2.70 V

CL = 10 pF, VDD ≥ 1.7 V

fmax(IO)out Maximum frequency(3)

CL = 40 pF, VDD ≥ 2.70 V

50(4)

MHz

CL = 40 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 2.70 V

100(4)

CL = 10 pF, VDD ≥ 1.7 V

50(4)

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 40 pF, VDD≥ 2.70 V

CL = 40 pF, VDD≥ 1.7 V

CL = 10 pF, VDD≥ 2.70 V

CL = 10 pF, VDD≥ 1.7 V

Fmax(IO)out Maximum frequency(3)

CL = 30 pF, VDD ≥ 2.70 V

100(4)

MHz

CL = 30 pF, VDD ≥ 1.7 V

50(4)

CL = 10 pF, VDD ≥ 2.70 V

180(4)

CL = 10 pF, VDD≥ 1.7 V

100(4)

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 30 pF, VDD ≥ 2.70 V

CL = 30 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD≥ 2.70 V

2.5

CL = 10 pF, VDD≥ 1.7 V

-tEXTIpw

Pulse width of external signals

detected by the EXTI

controller

1. Guaranteed by characterization.

2. The I/O speed is configured using the OSPEEDRy[1:0] bits. Refer to the STM32F4xx reference manual for a description of

the GPIOx_SPEEDR GPIO port output speed register.

3. The maximum frequency is defined in Figure 31.

4. For maximum frequencies above 50 MHz and

VDD > 2.4 V, the compensation cell should be used.

Table 56. I/O AC characteristics(1)(2) (continued)

OSPEEDRy

[1:0] bit

value(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

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