When the voltage on VDD is lower than the power on reset voltage (VPOR), the output signal is undefined and is not to be relied upon for proper device function.
Figure 8-2 Power Cycle (SENSE Outside of
Nominal voltage) (2)
Figure 8-3 Power Cycle (SENSE Within
Nominal voltage) (3)
2. Figure assumes an external pull-up
resistor is connected to the reset pin via VDD
3. Figure assumes an external pull-up
resistor is connected to the reset pin via VDD