ATTINY48_14 Datasheet, PDF (239/302 Pages) ATMEL Corporation – High Performance, Low Power AVR

ATtiny48/88
23.1.8
Input Threshold and Hysteresis
Figure 23-40. V_IH: I/O Pin Input Threshold Voltage vs. V_CC (IO Pin Read as ‘1’)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V_CC
VIH, IO PIN READ AS '1'
3.5
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)
Figure 23-41. V_IL: I/O Pin Input Threshold Voltage vs. V_CC (IO Pin Read as ‘0’)
I/O PIN INPUT THRESHOLD VOLTAGE vs. V_CC
VIL, IO PIN READ AS '0'
2.5
2
85 °C
25 °C
-40 °C
1.5
1
0.5
0
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
8008H–AVR–04/11
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