STM32F334C6U6TR datasheet(80/125 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F334x4 STM32F334x6 STM32F334x8

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DS9994 Rev 9

Table 66, respectively.

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

ambient temperature and VDD supply voltage conditions summarized in Table 19.

Table 52. 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)

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)

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)

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

30(3)

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

20(3)

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)

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 RM0364 reference manual for a description of

GPIO Port configuration register.

2. The maximum frequency is defined in Figure 24.

3. Guaranteed by design, not tested in production.

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