STM32F101V8 datasheet(45/64 Pages) STMICROELECTRONICS

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STM32F101xx

Electrical characteristics

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Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 15 and

Table 31, respectively.

Unless otherwise specified, the parameters given in Table 31 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 7.

Table 31.

I/O AC characteristics(1)

Refer to the Reference user manual UM0306 for a description of GPIO Port configuration register.

I/O

mode(1)

Symbol

Parameter

Conditions

Max

Unit

fmax(IO)out Maximum frequency

(2)

The maximum frequency is defined in Figure 15.

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

MHz

tf(IO)out

Output high to low level fall

time(3)

Values based on design simulation and validated on silicon, not tested in production.

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

125

tr(IO)out

Output low to high level rise

time(3)

125

fmax(IO)out Maximum frequency

(2)

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

MHz

tf(IO)out

Output high to low level fall

time(3)

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

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

MHz

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

MHz

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

MHz

tf(IO)out

Output high to low level fall

time(3)

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

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

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

tr(IO)out

Output low to high level rise

time(3)

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

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

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

-tEXTIpw

Pulse width of external signals

detected by the EXTI controller

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