STM32L011D4P7 datasheet(78/119 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L011x3/4

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DocID027973 Rev 5

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 25 and

Table 52, respectively.

Unless otherwise specified, the parameters given in Table 52 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 18.

Table 52. I/O AC characteristics(1)(2)

OSPEEDRx

[1:0] bit

value(1)

Symbol

Parameter

Conditions

Min

Max(3) Unit

fmax(IO)out Maximum frequency(4)

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

400

kHz

CL = 50 pF, VDD = 1.65 V to 2.7 V

100

tf(IO)out

tr(IO)out

Output rise and fall time

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

125

CL = 50 pF, VDD = 1.65 V to 2.7 V

320

fmax(IO)out Maximum frequency(4)

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

MHz

CL = 50 pF, VDD = 1.65 V to 2.7 V

0.6

tf(IO)out

tr(IO)out

Output rise and fall time

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

CL = 50 pF, VDD = 1.65 V to 2.7 V

Fmax(IO)out Maximum frequency(4)

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

MHz

CL = 50 pF, VDD = 1.65 V to 2.7 V

tf(IO)out

tr(IO)out

Output rise and fall time

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

CL = 50 pF, VDD = 1.65 V to 2.7 V

Fmax(IO)out Maximum frequency(4)

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

MHz

CL = 50 pF, VDD = 1.65 V to 2.7 V

tf(IO)out

tr(IO)out

Output rise and fall time

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

CL = 50 pF, VDD = 1.65 V to 2.7 V

-tEXTIpw

Pulse width of external

signals detected by the

EXTI controller

-8

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

Port configuration register.

2. BOOT0/PB9 maximum input frequency is 10 kHz (1.65 V < VDD < 2.7 V) and 5 MHz (2.7 V < VDD <3.6 V).

3. Guaranteed by design. Not tested in production.

4. The maximum frequency is defined in Figure 25.

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