STM32WLE4JC datasheet(110/146 Pages) STMICROELECTRONICS

110 / 146 page

Electrical characteristics

STM32WLE5/E4xx

110/146

DS13105 Rev 9

All I/Os are CMOS- and TTL-compliant (no software configuration required). Their

characteristics cover more than the strict CMOS-technology or TTL parameters, as shown

in the figure below.

Figure 20. I/O input characteristics - VIL and VIH on all I/Os

Output driving current

The GPIOs can sink or source up to ±8 mA, and sink or source up to ± 20 mA (with a

relaxed VOL/VOH).

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

respect the absolute maximum rating specified in Section 5.2: Absolute maximum ratings.

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

the MCU sourced on VDD, cannot exceed the absolute maximum rating ΣIVDD (see

Table 21: Voltage characteristics).

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

MCU sunk on VSS, cannot exceed the absolute maximum rating ΣIVSS (see Table 21:

Voltage characteristics).

Output voltage levels

Unless otherwise specified, the parameters given in the table below are derived from tests

performed under the ambient temperature and supply voltage conditions summarized in

Table 25: General operating conditions. All I/Os are CMOS- and TTL-compliant (FT or TT

unless otherwise specified).

MSv64346V1

VIH spec 70 %

VIL spec 30 %

VIH rule

VIL rule

VIH spec TTL

VIL spec TTL

STM32WLE4JC 데이터시트(PDF) 110 Page - STMicroelectronics