STM32L072KB datasheet(95/147 Pages) STMICROELECTRONICS

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STM32L072xx

Electrical characteristics

117

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 26. All I/Os are CMOS and TTL compliant.

Table 61. 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 24.

The sum of the currents sunk by all the I/Os (I/O ports and control pins) must always be respected and

must not exceed ΣIIO(PIN).

Output low level voltage for an I/O

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 24. The sum of the currents sourced by all the I/Os (I/O ports and control pins) must always be

respected and must not exceed ΣIIO(PIN).

Output high level voltage for an I/O

VDD-0.4

VOL (1)

Output low level voltage for an I/O

TTL port(2),

IIO =+ 8 mA

2.7 V VDD  3.6 V

-0.4

VOH (3)(4)

4. Guaranteed by characterization results.

Output high level voltage for an I/O

TTL port(2),

IIO = -6 mA

2.7 V VDD  3.6 V

2.4

VOL(1)(4)

Output low level voltage for an I/O

IIO = +15 mA

2.7 V VDD  3.6 V

-1.3

VOH(3)(4)

Output high level voltage for an I/O

IIO = -15 mA

2.7 V VDD  3.6 V

VDD-1.3

VOL(1)(4)

Output low level voltage for an I/O

IIO = +4 mA

1.65 V VDD < 3.6 V

-0.45

VOH(3)(4)

Output high level voltage for an I/O

IIO = -4 mA

1.65 V VDD  3.6 V

VDD-0.45

VOLFM+(1)(4)

Output low level voltage for an FTf

I/O pin in Fm+ mode

IIO = 20 mA

2.7 V VDD  3.6 V

-0.4

IIO = 10 mA

1.65 V VDD  3.6 V

-0.4

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