Current Consumption in Reset and Reset Pulse width

Figure 1. ATmega48PB_88PB: Reset Supply Current vs. Low Frequency (0.1MHz - 1.0MHz)
Figure 2. ATmega48PB_88PB: Reset Supply Current vs. Frequency (1MHz - 20MHz)
Figure 3. ATmega48PB_88PB: Minimum Reset Pulse Width vs. Vcc