STM32F303C6 datasheet(79/115 Pages) STMICROELECTRONICS

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STM32F303x6/x8

Electrical characteristics

100

Table 54. I/O AC characteristics(1)

OSPEEDRy

[1:0] value(1)

Symbol

Parameter

Conditions

Min.

Max.

Unit

fmax(IO)out Maximum frequency(2)

CL = 50 pF, VDD = 2 V to 3.6 V

12(3)

MHz

tf(IO)out

Output high to low-level

fall time

CL = 50 pF, VDD = 2 V to 3.6 V

125(3)

tr(IO)out

Output low to high-level

rise time

125(3)

fmax(IO)out Maximum frequency(2)

CL = 50 pF, VDD = 2 V to 3.6 V

410(3)

MHz

tf(IO)out

Output high to low-level

fall time

CL = 50 pF, VDD = 2 V to 3.6 V

(3)

tr(IO)out

Output low to high-level

rise time

(3)

fmax(IO)out Maximum frequency(2)

CL = 30 pF, VDD = 2.7 V to 3.6 V

50(3)

MHz

CL = 50 pF, VDD = 2.7 V to 3.6 V

30(3)

MHz

CL = 50 pF, VDD = 2 V to 2.7 V

20(3)

MHz

tf(IO)out

Output high to low-level

fall time

CL = 30 pF, VDD = 2.7 V to 3.6 V

5(3)

CL = 50 pF, VDD = 2.7 V to 3.6 V

8(3)

CL = 50 pF, VDD = 2 V to 2.7 V

12(3)

tr(IO)out

Output low to high-level

rise time

CL = 30 pF, VDD = 2.7 V to 3.6 V

5(3)

CL = 50 pF, VDD = 2.7 V to 3.6 V

8(3)

CL = 50 pF, VDD = 2 V to 2.7 V

12(3)

FM+

configuration(4)

fmax(IO)out Maximum frequency(2)

CL = 50 pF, VDD = 2 V to 3.6 V

-2(4)

MHz

tf(IO)out

Output high to low-level

fall time

-12(4)

tr(IO)out

Output low to high-level

rise time

-34(4)

-tEXTIpw

Pulse width of external

signals detected by the

EXTI controller

-10(3)

-ns

1. The I/O speed is configured using the OSPEEDRx[1:0] bits. Refer to the RM0364 reference manual for a description of

GPIO Port configuration register.

2. The maximum frequency is defined in Figure 22.

3. Guaranteed by design, not tested in production.

4. The I/O speed configuration is bypassed in FM+ I/O mode. Refer to the STM32F30x and STM32F301xx reference manual

RM0364 for a description of FM+ I/O mode configuration.

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