Datasheet

425
8011Q–AVR–02/2013
ATmega164P/324P/644P
Figure 28-18. ATmega164P: I/O Pin Output Voltage vs. Source Current (V
CC
= 5V)
28.1.6 Pin Threshold and Hysteresis
Figure 28-19. ATmega164P: I/O Pin Input Threshold vs. V
CC
(V
IH
, I/O Pin Read as ‘1’)
105 °C
85 °C
25 °C
-40 °C
4.3
4.4
4.5
4.6
4.7
4.8
4.9
5
5.1
02468 10 12 14 16 18 20
I
OH
(mA)
V
OH
(V)
105 °C
85 °C
25 °C
-40 °C
0
0.5
1
1.5
2
2.5
3
1.5 2 2.5 33.5 4 4.5 5
V
CC
(V)
Threshold (V)