STM32L100RB datasheet(73/103 Pages) STMICROELECTRONICS

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STM32L100C6 STM32L100R8/RB

Electrical characteristics

Input/output AC characteristics

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

Table 43, respectively.

Unless otherwise specified, the parameters given in Table 43 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 12.

Table 43. I/O AC characteristics(1)

OSPEEDRx

[1:0] bit

value(1)

Symbol

Parameter

Conditions

Min

Max(2)

Unit

fmax(IO)out Maximum frequency(3)

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

400

kHz

CL = 50 pF, VDD = 1.8 V to 2.7 V

400

tf(IO)out

tr(IO)out

Output rise and fall time

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

625

CL = 50 pF, VDD = 1.8 V to 2.7 V

625

fmax(IO)out Maximum frequency(3)

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

MHz

CL = 50 pF, VDD = 1.8 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

125

CL = 50 pF, VDD = 1.8 V to 2.7 V

250

Fmax(IO)out Maximum frequency(3)

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

MHz

CL = 50 pF, VDD = 1.8 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 = 1.8 V to 2.7 V

125

Fmax(IO)out Maximum frequency(3)

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

MHz

CL = 50 pF, VDD = 1.8 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 = 1.8 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 STM32L100C6 and STM32L100R8/RB reference

manual for a description of GPIO Port configuration register.

2. Guaranteed by design.

3. The maximum frequency is defined in Figure 15.

STM32L100RB Datasheet(PDF) 73 Page - STMicroelectronics

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