Datasheet

DocID14771 Rev 15 75/121
STM8S105x4/6 Electrical characteristics
90
10.3.7 Typical output level curves
The following figures show the typical output level curves measured with the output on a
single pin.
Table 39. Output driving current (true open drain ports)
Symbol Parameter Conditions Min Max Unit
V
OL
Output low level with 2
pins sunk
I
IO
= 10 mA,
V
DD
= 5 V
-1.0
V
Output low level with 2
pins sunk
I
IO
= 10 mA,
V
DD
= 3.3 V
-1.5
(1)
1. Data based on characterization results, not tested in production
V
OH
Output high level with 2
pins sourced
I
IO
= 10 mA,
V
DD
= 5 V
-2.0
(1)
Table 40. Output driving current (high sink ports)
Symbol Parameter Conditions Min Max Unit
V
OL
Output low level with 8
pins sunk
I
IO
= 10 mA,
V
DD
= 5 V
-0.9
V
Output low level with 4
pins sunk
I
IO
= 10 mA,
V
DD
= 3.3 V
-1.1
(1)
1. Data based on characterization results, not tested in production.
I
IO
= 20 mA,
V
DD
= 5 V
-1.6
(1)
V
OH
Output high level with 8
pins sourced
I
IO
= 10 mA,
V
DD
= 5 V
3.8 -
Output high level with 4
pins sourced
I
IO
= 10 mA,
V
DD
= 3.3 V
1.9
(1)
-
I
IO
= 20 mA,
V
DD
= 5 V
2.9
(1)
-
Figure 27. Typ. V
OL
@ V
DD
= 3.3 V (standard
ports)
Figure 28. Typ. V
OL
@ V
DD
= 5.0 V (standard
ports)