Pin Threshold and Hysteresis

Figure 1. ATmega168PB I/O Pin Input Threshold Voltage vs. V_CC (V_IH, I/O Pin read as ‘1’)

Figure 2. ATmega168PB I/O Pin Input Threshold Voltage vs. V_CC (V_IL, I/O Pin read as ‘0’)

Figure 3. ATmega168PB I/O Pin Input Hysteresis vs. V_CC

Figure 4. ATmega168PB Reset Input Threshold Voltage vs. V_CC (V_IH, I/O Pin read as ‘1’)

Figure 5. ATmega168PB Reset Input Threshold Voltage vs. V_CC (V_IL, I/O Pin read as ‘0’)

Figure 6. ATmega168PB Reset Pin Input Hysteresis vs. V_CC