STM32F302X6 datasheet(90/139 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F302x6 STM32F302x8

90/139

DS9896 Rev 8

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 23 and

Table 55, respectively.

Unless otherwise specified, the parameters given are derived from tests performed under

ambient temperature and VDD supply voltage conditions summarized in Table 23.

Table 55. 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

2(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

10(3)

MHz

tf(IO)out

Output high to low level

fall time

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

-25(3)

tr(IO)out

Output low to high level

rise time

-25(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

-‘

1. The I/O speed is configured using the OSPEEDRx[1:0] bits. Refer to the RM0365 reference manual for a description of

GPIO Port configuration register.

2. The maximum frequency is defined in Figure 23.

3. Guaranteed by design.

4. The I/O speed configuration is bypassed in FM+ I/O mode. Refer to the STM32F302x6 STM32F302x8 reference manual

RM0365 for a description of FM+ I/O mode configuration.

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