Non-inverting hysteresis comparator

$V_{out}=V_{DD}$ if $V_{in}>-\left(\frac{R1}{R2}\right).V_{SS}+\frac{R1+R2}{R2}.V_{ref}$

$V_{out}=V_{SS}$ if $V_{in}<-\left(\frac{R1}{R2}\right).V_{DD}+\frac{R1+R2}{R2}.V_{ref}$