STM32U545NET6QTR datasheet(210/283 Pages) STMICROELECTRONICS

210 / 283 page

Electrical characteristics

STM32U545xx

210/283

DS14216 Rev 1

Output AC characteristics

The definition and values of output AC characteristics are given in Figure 35: Output AC

characteristics definition and in the table below respectively.

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

the ambient temperature and supply voltage conditions summarized in Table 33.

Table 96. Output AC characteristics, HSLV OFF (all I/Os except FT_c,

FT_t in VBAT mode, and FT_o I/Os(1))(2)(3)(4)

Speed Symbol

Parameter

Conditions

Min

Max

Unit

Fmax

Maximum frequency

all I/Os

CL = 50 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

12.5

MHz

CL = 50 pF, 1.58 V ≤ VDDIOx < 2.7 V

CL = 50 pF, 1.08 V ≤ VDDIOx < 1.58 V

CL = 10 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

12.5

CL = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

CL = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

tr/tf

Output rise and fall time

all I/Os

CL = 50 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

CL = 50 pF, 1.58 V ≤ VDDIOx < 2.7 V

CL = 50 pF, 1.08 V ≤ VDDIOx < 1.58 V

CL = 10 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

12.5

CL = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

CL = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

Fmax

Maximum frequency

all I/Os

CL = 30 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

MHz

CL = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

12.5

CL = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

2.5

CL = 10 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

CL = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

12.5

CL = 10 pF, 1.08 V ≤ VDDIOx ≤<1.58 V

2.5

tr/tf

Output rise and fall time

all I/Os

CL = 30 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

5.8

CL = 30 pF, 1.58 V ≤ VDDIOx < 2.7 V

CL = 30 pF, 1.08 V ≤ VDDIOx < 1.58 V

CL = 10 pF, 2.7 V ≤ VDDIOx ≤ 3.6 V

4.2

CL = 10 pF, 1.58 V ≤ VDDIOx < 2.7 V

7.5

CL = 10 pF, 1.08 V ≤ VDDIOx < 1.58 V

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