STM32F732IE datasheet(149/226 Pages) STMICROELECTRONICS

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DS11854 Rev 6

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STM32F732xx STM32F733xx

Electrical characteristics

198

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 44 and

Table 63, respectively.

Unless otherwise specified, the parameters given in Table 63 are derived from tests

performed under the ambient temperature and VDD supply voltage conditions summarized

in Table 16.

Table 63. I/O AC characteristics(1)(2)

OSPEEDRy

[1:0] bit

value(1)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fmax(IO)out Maximum frequency(3)

CL = 50 pF, VDD ≥ 2.7 V

MHz

CL = 50 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 2.7 V

CL = 10 pF, VDD ≥ 1.8 V

CL = 10 pF, VDD ≥ 1.7 V

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 50 pF, VDD = 1.7 V to

3.6 V

100

fmax(IO)out Maximum frequency(3)

CL = 50 pF, VDD≥ 2.7 V

MHz

CL = 50 pF, VDD≥ 1.8 V

12.5

CL = 50 pF, VDD≥ 1.7 V

CL = 10 pF, VDD ≥ 2.7 V

CL = 10 pF, VDD≥ 1.8 V

CL = 10 pF, VDD≥ 1.7 V

12.5

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 50 pF, VDD ≥ 2.7 V

CL = 10 pF, VDD ≥ 2.7 V

CL = 50 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 1.7 V

fmax(IO)out Maximum frequency(3)

CL = 40 pF, VDD ≥ 2.7 V

50(4)

MHz

CL = 10 pF, VDD ≥ 2.7 V

100(4)

CL = 40 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 1.8 V

CL = 10 pF, VDD ≥ 1.7 V

42.5

tf(IO)out/

tr(IO)out

Output high to low level fall

time and output low to high

level rise time

CL = 40 pF, VDD ≥2.7 V

CL = 10 pF, VDD ≥ 2.7 V

CL = 40 pF, VDD ≥ 1.7 V

CL = 10 pF, VDD ≥ 1.7 V

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