ATMEGA169 ATMEL [ATMEL Corporation], ATMEGA169 Datasheet - Page 326

• Manufacturer Part Number: ATMEGA169
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

Pin Thresholds and
hysteresis
326
ATmega169/V
Figure 179. I/O Pin Input Threshold Voltage vs. V
Figure 180. 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
2514P–AVR–07/06
5.5
5.5
-40 °C
-40 °C
85 °C
25 °C
85 °C
25 °C