Datasheet

DocID15962 Rev 13 89/131
STM8L151xx, STM8L152xx Electrical parameters
112
Output driving current
Subject to general operating conditions for V
DD
and T
A
unless otherwise specified.
Table 39. Output driving current (high sink ports)
I/O
Type
Symbol Parameter Conditions Min Max Unit
High sink
V
OL
(1)
1. The I
IO
current sunk must always respect the absolute maximum rating specified in Ta bl e 16 and the sum
of I
IO
(I/O ports and control pins) must not exceed I
VSS
.
Output low level voltage for an I/O pin
I
IO
= +2 mA,
V
DD
= 3.0 V
0.45 V
I
IO
= +2 mA,
V
DD
= 1.8 V
0.45 V
I
IO
= +10 mA,
V
DD
= 3.0 V
0.7 V
V
OH
(2)
2. The I
IO
current sourced 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
VDD
.
Output high level voltage for an I/O pin
I
IO
= -2 mA,
V
DD
= 3.0 V
V
DD
-0.45
V
I
IO
= -1 mA,
V
DD
= 1.8 V
V
DD
-0.45
V
I
IO
= -10 mA,
V
DD
= 3.0 V
V
DD
-0.7 V
Table 40. Output driving current (true open drain ports)
I/O
Type
Symbol Parameter Conditions Min Max Unit
Open drain
V
OL
(1)
1. The I
IO
current sunk must always respect the absolute maximum rating specified in Ta bl e 16 and the sum
of I
IO
(I/O ports and control pins) must not exceed I
VSS
.
Output low level voltage for an I/O pin
I
IO
= +3 mA,
V
DD
= 3.0 V
0.45
V
I
IO
= +1 mA,
V
DD
= 1.8 V
0.45
Table 41. Output driving current (PA0 with high sink LED driver capability)
I/O
Type
Symbol Parameter Conditions Min Max Unit
IR
V
OL
(1)
1. The I
IO
current sunk must always respect the absolute maximum rating specified in Ta bl e 16 and the sum
of I
IO
(I/O ports and control pins) must not exceed I
VSS
.
Output low level voltage for an I/O pin
I
IO
= +20 mA,
V
DD
= 2.0 V
0.45 V