C8051F850-C-GM Datasheet, PDF (22/328 Pages) Silicon Laboratories – Low-Cost 8-bit MCU Family with up to 8 kB of Flash

1.2.3. Port I/O Output Drive
TypicalVOH vs.SourceCurrentinHighDriveMode
4
VDD=3.6V
3.5
VDD=3.3V
VDD=2.7V
3
VDD=2.2V
2.5
2
1.5
1
0.5
0
0
5
10
15
20
25
SourceCurrent(mA)
TypicalVOH vs.SourceCurrentinLowDriveMode
4
VDD=3.6V
3.5
VDD=3.3V
VDD=2.7V
3
VDD=2.2V
2.5
2
1.5
1
0.5
0
0
2
4
6
8
10
12
14
16
18
SourceCurrent(mA)
Figure 1.5. Typical V_OH vs. Source Current
TypicalVOL vs.SinkCurrentinHighDriveMode
4
VDD=3.6V
3.5
VDD=3.3V
VDD=2.7V
3
VDD=2.2V
2.5
2
1.5
1
0.5
0
0
5
10
15
20
25
30
35
40
45
SinkCurrent(mA)
TypicalVOL vs.SinkCurrentinLowDriveMode
4
VDD=3.6V
3.5
VDD=3.3V
VDD=2.7V
3
VDD=2.2V
2.5
2
1.5
1
0.5
0
0
5
10
15
20
25
SinkCurrent(mA)
Figure 1.6. Typical V_OL vs. Sink Current
1.3. Thermal Conditions
Table 1.12. Thermal Conditions
Parameter
Symbol
Test Condition
Min
Typ
Thermal Resistance*
θ_JA
SOIC-16 Packages
—
70
QFN-20 Packages
—
60
QSOP-24 Packages
—
65
*Note: Thermal resistance assumes a multi-layer PCB with any exposed pad soldered to a PCB pad.
Max Unit
— °C/W
— °C/W
— °C/W
21
Rev. 1.0