ATMEGA128-16AU SL383 Atmel, ATMEGA128-16AU SL383 Datasheet - Page 346

• Manufacturer Part Number: ATMEGA128-16AU SL383
• Manufacturer: Atmel

Pin Thresholds and
Hysteresis
346
ATmega128
Figure 186. I/O Pin Input Threshold Voltage vs. V
Figure 187. I/O Pin Input Threshold Voltage vs. V
2.2
1.8
1.6
1.4
1.2
1.6
1.5
1.4
1.3
1.2
1.1
0.9
0.8
2
1
1
2.5
2.5
3
3
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
3.5
3.5
VIH, IO PIN READ AS '1'
VIL, IO PIN READ AS '0'
V
V
CC
CC
4
4
(V)
(V)
CC
CC
(VIH, I/O Pin Read as ‘1’)
(VIH, I/O Pin Read as ‘0’)
4.5
4.5
CC
CC
5
5
5.5
5.5
-40 °C
-40 °C
25 °C
85 °C
25 °C
85 °C
2467S–AVR–07/09