STM32H7 datasheet(140/357 Pages) STMICROELECTRONICS

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Electrical characteristics (rev Y)

STM32H742xI/G STM32H743xI/G

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DS12110 Rev 10

Output voltage levels

Unless otherwise specified, the parameters given in Table 61 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 24: General operating conditions. All I/Os are CMOS and TTL compliant.

Table 61. Output voltage characteristics for all I/Os except PC13, PC14, PC15 and PI8(1)

Symbol

Parameter

Conditions(3)

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

1.62 V≤ VDD ≤3.6 V

-0.4

VOH (3)

Output high level voltage

IIO=-4 mA

1.62 V≤VDD<3.6 V

VDD−-0.4

VOLFM+(3)

Output low level voltage for an FTf

I/O pin in FM+ mode

IIO= 20 mA

2.3 V≤ VDD≤3.6 V

-0.4

IIO= 10 mA

1.62 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 21:

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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