ATMEGA325-16AJ ATMEL [ATMEL Corporation], ATMEGA325-16AJ Datasheet - Page 312

• Manufacturer Part Number: ATMEGA325-16AJ
• Description: 8-bit Microcontroller with In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Pin Thresholds and hysteresis Figure 171. I/O Pin Input Threshold Voltage vs. V
312
ATmega325/3250/645/6450
Figure 172. I/O Pin Input Threshold Voltage vs. V
2.5
1.5
0.5
2.5
1.5
0.5
3
2
1
0
3
2
1
0
1.5
1.5
2
2
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
2.5
2.5
3
3
VIH, I/O PIN READ AS '1'
VIL, I/O PIN READ AS '0'
V
V
CC
CC
3.5
3.5
(V)
(V)
CC
CC
4
4
(V
(V
IH
IL
, I/O Pin Read as “0”)
, I/O Pin Read as “1”)
4.5
4.5
CC
CC
5
5
2570A–AVR–09/04
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C