Pin Pull-Up - Atmel ATtiny25 Manual

23.4

Pin Pull-up

ATtiny25/45/85
162
Figure 23-13. I/O Pin Pull-Up Resistor Current vs. Input Voltage (V
I/O P IN P ULL-UP RES IS TOR CURRENT vs . INP UT VOLTAGE
60
50
40
30
20
10
0
0 0.2 0.4
Figure 23-14. I/O Pin Pull-Up Resistor Current vs. Input Voltage (V
I/O P IN P ULL-UP RES IS TOR CURRENT vs . INP UT VOLTAGE
90
80
70
60
50
40
30
20
10
0
0 0.5
Vcc = 1.8V
0.6 0.8 1 1.2
V (V)
OP
Vcc = 2.7V
1 1.5
V (V)
OP
= 1.8V)
CC
1.4 1.6 1.8 2
= 2.7V)
CC
2 2.5 3
-40 ˚C
25 ˚C
85 ˚C
125 ˚C
125 ˚C
85 ˚C
25 ˚C
-40 ˚C
7598H–AVR–07/09