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ATTINY25_09 Datasheet, PDF (168/196 Pages) ATMEL Corporation – 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash | |||
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23.6 Pin Thresholds and Hysteresis
Figure 23-25. I/O Pin Input Threshold Voltage vs. VCC (VIH, I/O Pin Read As '1')
I/O P IN INP UT THRES HOLD VOLTAGE vs . VCC
VIH, IO PIN READ AS '1'
3
-40 ËC
25 ËC
85 ËC
2.5
125 ËC
2
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
Figure 23-26. I/O Pin Input Threshold Voltage vs. VCC (VIL, I/O Pin Read As '0')
I/O P IN INP UT THRES HOLD VOLTAGE vs . VCC
VIL, IO PIN READ AS '0'
125 ËC
2.5
85 ËC
25 ËC
-40 ËC
2
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
VCC (V)
168 ATtiny25/45/85
7598HâAVRâ07/09
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