STM32H523VCU6 datasheet(130/228 Pages) STMICROELECTRONICS

130 / 228 page

Electrical characteristics

STM32H523xx

130/228

DS14540 Rev 1

Table 57. Output voltage characteristics for all I/Os except PC13, PC14, and PC15

Symbol

Parameter

Conditions(1)

Min

Max

Unit

VOL

Output low level voltage

CMOS port(2), IIO = 8 mA

2.7 V ≤ VDD ≤ 3.6 V

-0.4

VOH

Output high level voltage

CMOS port(2), IIO = -8 mA

2.7 V ≤ VDD ≤ 3.6 V

VDD− 0.4

VOL(3)

Output low level voltage

TTL port(2), IIO = 8 mA

2.7 V ≤ VDD ≤ 3.6 V

-0.4

VOH(3)

Output high level voltage

TTL port(2), IIO = -8 mA

2.7 V ≤ VDD ≤ 3.6 V

2.4

VOL(3)

Output low level voltage

IIO = 20 mA

2.7 V ≤ VDD ≤ 3.6 V

-1.3

VOH(3)

Output high level voltage

IIO = -20 mA

2.7 V ≤ VDD ≤ 3.6 V

VDD - 1.3

VOL(3)

Output low level voltage

IIO = 4 mA

1.71 V ≤ VDD ≤ 3.6 V

-0.4

VOH (3)

Output high level voltage

IIO = -4 mA

1.71 V ≤ VDD <3.6 V

VDD - 0.4

VOL(3)

Output low level voltage

IIO = 2 mA

1.08 V ≤ VDD ≤ 1.32 V

0.3 VDDIO2

VOH (3)

Output high level voltage

IIO = -2 mA

1.71 V ≤ VDD < 1.32 V

0.7 VDDIO2

VOLFM+(3)

Output low level voltage for

an FTf I/O pin in (FT I/O with

“f” option)

IIO = 20 mA

2.3 V≤ VDD ≤3.6 V

-0.4

IIO = 10 mA

1.71 V ≤ VDD ≤ 3.6 V

-0.4

IIO = 4.5 mA

1.08 V ≤ VDD ≤ 3.6 V

-0.4

1. The IIO current sourced or sunk by the device must always respect the absolute maximum rating specified in Table 16, 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. Specified by design - Not tested in production.

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