STM32F756VG datasheet(142/228 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F756xx

142/228

DocID027589 Rev 4

Output voltage levels

Unless otherwise specified, the parameters given in Table 57 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 17. All I/Os are CMOS and TTL compliant.

Table 57. Output voltage characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

VOL(1)

1. The IIO current sunk by the device must always respect the absolute maximum rating specified in Table 15.

and the sum of IIO (I/O ports and control pins) must not exceed IVSS.

Output low level voltage for an I/O pin

CMOS port(2)

IIO = +8 mA

2.7 V ≤VDD ≤3.6 V

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

-0.4

VOH(3)

3. The IIO current sourced by the device must always respect the absolute maximum rating specified in

Table 15 and the sum of IIO (I/O ports and control pins) must not exceed IVDD.

Output high level voltage for an I/O pin

except PC14

CMOS port(2)

IIO = -8 mA

2.7 V ≤VDD ≤3.6 V

VDD − 0.4

VOH(3) Output high level voltage for PC14

CMOS port(2)

IIO = -2 mA

2.7 V ≤VDD ≤3.6 V

VDD − 0.4

VOL (1) Output low level voltage for an I/O pin

TTL port(2)

IIO =+8mA

2.7 V ≤VDD ≤3.6 V

-0.4

VOH (3)

Output high level voltage for an I/O pin

except PC14

TTL port(2)

IIO =-8mA

2.7 V ≤VDD ≤3.6 V

2.4

VOL(1) Output low level voltage for an I/O pin

IIO = +20 mA

2.7 V ≤VDD ≤3.6 V

-1.3(4)

4. Based on characterization data.

VOH(3)

Output high level voltage for an I/O pin

except PC14

IIO = -20 mA

2.7 V ≤VDD ≤3.6 V

VDD−1.3(4)

VOL(1) Output low level voltage for an I/O pin

IIO = +6 mA

1.8 V ≤VDD ≤3.6 V

-0.4(4)

VOH(3)

Output high level voltage for an I/O pin

except PC14

IIO = -6 mA

1.8 V ≤VDD ≤3.6 V

VDD−0.4(4)

VOL(1) Output low level voltage for an I/O pin

IIO = +4 mA

1.7 V ≤VDD ≤3.6V

-0.4(5)

5. Guaranteed by design.

VOH(3)

Output high level voltage for an I/O pin

except PC14

IIO = -4 mA

1.7 V ≤VDD ≤3.6V

VDD−0.4(5)

VOH(3) Output high level voltage for PC14

IIO = -1 mA

1.7 V ≤VDD ≤3.6V

VDD−0.4(5)

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