Rainbow Electronics AT90S1200 - Manual (Page 61)

61
AT90S1200
0838H–AVR–03/02
Note: Input threshold is measured at the center point of the hysteresis.
Figure 57. I/O Pin Input Threshold Voltage vs. V
CC
Figure 58. I/O Pin Input Hysteresis vs. V
CC
0
0.5
1
1.5
2
2.5
2.7 4.0 5.0
Threshold Voltage (V)
V
cc
I/O PIN INPUT THRESHOLD VOLTAGE vs. V
cc
T = 25 ˚ C
A
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.16
0.18
2.7 4.0 5.0
Input hysteresis (V)
V
cc
I/O PIN INPUT HYSTERESIS vs. V
cc
T = 25 ˚ C
A