STM32L4P5CE datasheet(204/311 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L4P5xx

204/311

DS12903 Rev 2

Output voltage levels

Unless otherwise specified, the parameters given in the table below are derived from tests

performed under the ambient temperature and supply voltage conditions summarized in

Table 21: General operating conditions. All I/Os are CMOS- and TTL-compliant (FT OR TT

unless otherwise specified).

Input/output AC characteristics

The definition and values of input/output AC characteristics are given in Figure 37 and

Table 73, respectively.

Table 72. Output voltage characteristics(1)

Symbol

Parameter

Conditions

Min

Max

Unit

VOL

Output low level voltage for

an I/O pin

CMOS port(2)

|IIO| = 8 mA

VDDIOx ≥ 2.7 V

-0.4

VOH

Output high level voltage for

an I/O pin

VDDIOx-0.4

VOL(3)

Output low level voltage for

an I/O pin

TTL port(2)

|IIO| = 8 mA

VDDIOx ≥ 2.7 V

-0.4

VOH(3)

Output high level voltage for

an I/O pin

2.4

VOL(3)

Output low level voltage for

an I/O pin

|IIO| = 20 mA

VDDIOx ≥ 2.7 V

-1.3

VOH(3)

Output high level voltage for

an I/O pin

VDDIOx-1.3

VOL(3)

Output low level voltage for

an I/O pin

|IIO| = 4 mA

VDDIOx ≥ 1.62 V

-0.45

VOH(3)

Output high level voltage for

an I/O pin

VDDIOx-0.45

VOL(3)

Output low level voltage for

an I/O pin

|IIO| = 2 mA

1.62 V ≥ VDDIOx ≥

1.08 V

-0.35 x VDDIOx

VOH(3)

Output high level voltage for

an I/O pin

0.65 x VDDIOx

VOLFM+

(3)

Output low level voltage for

an FT I/O pin in FM+ mode

(FT I/O with "f" option)

|IIO| = 20 mA

VDDIOx ≥ 2.7 V

-0.4

|IIO| = 10 mA

VDDIOx ≥ 1.62 V

-0.4

|IIO| = 2 mA

1.62 V ≥ VDDIOx ≥

1.08 V

-0.4

1. The IIO current sourced or sunk by the device must always respect the absolute maximum rating specified in Table 18:

Voltage characteristics, 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.

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

3. Guaranteed by design.

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