STM8L151C8T6 Datasheet, PDF (98/129 Pages) STMicroelectronics – 8-bit ultralow power MCU, up to 64 KB Flash + 2 KB data EEPROM, RTC, LCD, timers, USARTs, I2C, SPIs, ADC, DAC, comparators

Electrical parameters
STM8L15xx8, STM8L15xR6
Table 40. Output driving current (true open drain ports)
I/O
Type
Symbol
Parameter
Conditions Min. Max. Unit
V_OL ⁽¹⁾ Output low level voltage for an I/O pin
I_IO = +3 mA,
V_DD = 3.0 V
I_IO = +1 mA,
V_DD = 1.8 V
0.45
V
0.45
1. The I_IO current sunk must always respect the absolute maximum rating specified in Table 16 and the sum
of I_IO (I/O ports and control pins) must not exceed I_VSS.
Table 41. Output driving current (PA0 with high sink LED driver capability)
I/O
Type
Symbol
Parameter
Conditions Min. Max. Unit
V_OL ⁽¹⁾ Output low level voltage for an I/O pin
I_IO = +20 mA,
V_DD = 2.0 V
0.45 V
1. The I_IO current sunk must always respect the absolute maximum rating specified in Table 16 and the sum
of I_IO (I/O ports and control pins) must not exceed I_VSS.
Figure 29. Typical V_OL @ V_DD = 3.0 V (high
sink ports)

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Figure 31. Typical V_OL @ V_DD = 3.0 V (true
open drain ports)
Figure 30. Typical V_OL @ V_DD = 1.8 V (high
sink ports)


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Figure 32. Typical V_OL @ V_DD = 1.8 V (true
open drain ports)

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98/129
Doc ID 17943 Rev 5