
107
AT90S/LS4433
1042H–AVR–04/03
Figure 81. Watchdog Oscillator Frequency vs. V
CC
Sink and source capabilities of I/O ports are measured on one pin at a time.
Figure 82. Pull-up Resistor Current vs. Input Voltage
0
200
400
600
800
1000
1200
1400
1600
2
2.5
3
3.5
4
4.5
5
5.5
6
TA = 85C
TA = 25C
WATCHDOG OSCILLATOR FREQUENCY vs. VCC
VCC (V)
F
RC
(kHz)
0
20
40
60
80
100
120
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
PULL-UP RESISTOR CURRENT vs. INPUT VOLTAGE
VCC = 5V
I OP
(A)
VOP (V)
TA = 85C
TA = 25C