ATMEGA3250_14 Datasheet, PDF (323/362 Pages) ATMEL Corporation – High Endurance Non-volatile Memory Segments

ATmega325/3250/645/6450
29.9 Pin Thresholds and hysteresis
Figure 29-33. I/O Pin Input Threshold Voltage vs. V_CC (V_IH, I/O Pin Read as “1”)
3
85°C
25°C
-40°C
2.5
2
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
Figure 29-34. I/O Pin Input Threshold Voltage vs. V_CC (V_IL, I/O Pin Read as “0”)
3
2.5
85°C
25°C
-40°C
2
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
2570N–AVR–05/11
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