STM32L162VD datasheet(84/115 Pages) STMICROELECTRONICS

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Electrical characteristics

STM32L162VD-X

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DocID027268 Rev 3

Output driving current

The GPIOs (general purpose input/outputs) can sink or source up to ±8 mA, and sink or

source up to ±20 mA with the non-standard VOL/VOH specifications given in Table 42.

In the user application, the number of I/O pins which can drive current must be limited to

respect the absolute maximum rating specified in Section 6.2:

•

The sum of the currents sourced by all the I/Os on VDD, plus the maximum Run

consumption of the MCU sourced on VDD, cannot exceed the absolute maximum rating

IVDD(Σ) (see Table 10).

•

The sum of the currents sunk by all the I/Os on VSS plus the maximum Run

consumption of the MCU sunk on VSS cannot exceed the absolute maximum rating

IVSS(Σ) (see Table 10).

Output voltage levels

Unless otherwise specified, the parameters given in Table 42 are derived from tests

performed under the conditions summarized in Table 12. All I/Os are CMOS and TTL

compliant.

Table 42. Output voltage characteristics

Symbol

Parameter

Conditions

Min

Max

Unit

VOL(1)(2)

1. The IIO current sunk by the device must always respect the absolute maximum rating specified in Table 10

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

2. Guaranteed by test in production.

Output low level voltage for an I/O pin

IIO = 8 mA

2.7 V < VDD < 3.6 V

-0.4

VOH(2)(3)

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

Table 10 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 (3)(4) Output low level voltage for an I/O pin

IIO = 4 mA

1.65 V < VDD < 3.6 V

-0.45

VOH (3)(4) Output high level voltage for an I/O pin

VDD-0.45

VOL(1)(4)

4. Guaranteed by characterization results.

Output low level voltage for an I/O pin

IIO = 20 mA

2.7 V < VDD < 3.6 V

-1.3

VOH(3)(4) Output high level voltage for an I/O pin

VDD-1.3

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