STM32F411RET6 datasheet(100/149 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32F411xC STM32F411xE

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DocID026289 Rev 6

Output voltage levels

Unless otherwise specified, the parameters given in Table 54 are derived from tests

performed under ambient temperature and VDD supply voltage conditions summarized in

Table 14. All I/Os are CMOS and TTL compliant.

Table 54. 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 12.

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

Output high level voltage for an I/O pin

VDD–0.4

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

TTL port(2)

IIO =+8 mA

2.7 V ≤VDD ≤3.6 V

-0.4

VOH (3) Output high level voltage for an I/O pin

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. Guaranteed by characterization results.

VOH(3) Output high level voltage for an I/O pin

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

VDD–0.4(4)

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

IIO = +4 mA

1.7 V ≤VDD ≤3.6 V

-0.4(5)

5. Guaranteed by design.

VOH(3) Output high level voltage for an I/O pin

VDD–0.4(5)

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