ATTINY261_0611 Datasheet, PDF (207/236 Pages) ATMEL Corporation – 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash

ATtiny261/461/861
24.7 Pin Threshold and Hysteresis
Figure 24-23. I/O Pin Input Threshold Voltage vs. V_CC (V_IH, I/O Pin Read as ‘1’)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V_CC
VIH, IO PIN READ AS '1'
3,5
-40 ˚C
3
25 ˚C
85 ˚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 24-24. I/O Pin Input Threshold Voltage vs. V_CC (V_IL, I/O Pin Read as ‘0’)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V_CC
VIL, IO PIN READ AS '0'
3
85 ˚C
2,5
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)
2588B–AVR–11/06
207