Datasheet

403
ATmega640/1280/1281/2560/2561
2549K–AVR–01/07
Figure 189. I/O Pin Output Voltage vs. Sink Current (V
CC
= 5 V)
Figure 190. I/O Pin Output Voltage vs. Source Current (V
CC
= 3 V)
I/O PIN OUTPUT VOLTAGE vs. SINK CURRENT
V
CC
= 5V
85˚C
25˚C
-40˚C
0
0,1
0,2
0,3
0,4
0,5
0,6
0 5 10 15 20 25
I
OL
(mA)
V
OL
(V)
I/O PIN OUTPUT VOLTAGE vs. SOURCE CURRENT
V
CC
= 3V
85˚C
25˚C
-40˚C
0
0,5
1
1,5
2
2,5
3
3,5
0 5 10 15 20 25
I
OH
(mA)
V
OH
(V)