STM32U375CE datasheet(141/222 Pages) STMICROELECTRONICS

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Table 87. Output voltage characteristics (all I/Os except FT_o and PC13)

The I/O structure options listed in this table can be a concatenation of options including the option explicitly listed. For instance, TT_a refers to

any TT I/O with _a option. TT_xx refers to any TT I/O and FT_xx refers to any FT I/O.

The IIO current sourced or sunk by the device must always respect the absolute maximum rating specified in Table 25, and the sum of the

currents sourced or sunk by all the I/Os (I/O ports and control pins) must always respect the absolute maximum ratings ΣIIO.

Symbol

Parameter

Conditions

Min

Max Unit

VOL

Output low-level voltage

CMOS port(1), |IIO| = 8 mA, 2.7 V ≤ VDDIOx ≤ 3.6 V

0.4

VOH

Output high-level voltage

VDDIOx - 0.4

VOL(2)

Output low-level voltage

TTL port(1),|IIO| = 8 mA, 2.7 V ≤ VDDIOx ≤ 3.6 V

0.4

VOH(2)

Output high-level voltage

2.4

VOL(2)

Output low-level voltage

All I/Os, |IIO| = 20 mA, 2.7 V ≤ VDDIOx ≤ 3.6 V

1.3

VOH(2)

Output high-level voltage

VDDIOx - 1.3

VOL(2)

Output low-level voltage

|IIO| = 4 mA, 1.58 V ≤ VDDIOx ≤ 3.6 V

0.4

VOH(2)

Output high-level voltage

VDDIOx - 0.4

VOL(2)

Output low-level voltage

|IIO| = 1 mA, 1.08 V ≤ VDDIOx < 3.6 V

0.4

VOH(2)

Output high-level voltage

VDDIOx - 0.4

VOLFM+(2)

Output low-level voltage for a FT_f I/O pin in FM+

mode

|IIO| = 20 mA, 2.7 V ≤ VDDIOx ≤ 3.6 V

0.4

|IIO| = 10 mA, 1.58 V ≤ VDDIOx ≤ 3.6 V

0.4

|IIO| = 2 mA, 1.08 V ≤ VDDIOx < 3.6 V

0.4

1. TTL and CMOS outputs are compatible with JEDEC standards JESD36 and JESD52.

2. Specified by design. Not tested in production.

Table 88. Output voltage characteristics for FT_o and PC13 I/Os

Specified by design and not tested in production.

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

Output low-level voltage

|IIO| = 0.5 mA, 2.7 V ≤ VSW ≤ 3.6 V,

0.4

VOH

Output high-level voltage

VSW - 0.4

VOL

Output low-level voltage

|IIO| = 0.25 mA, 1.58 V ≤ VSW ≤ 3.6 V

0.4

VOH

Output high-level voltage

VSW - 0.4

Output AC characteristics

The definition and values of output AC characteristics are given in Figure 37. 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 27.

STM32U375xx

Electrical characteristics

DS14861 - Rev 2

page 141/222

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