Three-rail supervisor in a SOT-23-8 — what it covers
One channel has a fixed 4.63 V threshold — that's for a 5 V rail — while the other two are adjustable via external resistor dividers, letting you set thresholds for 3.3 V, 2.5 V, 1.8 V or whatever the design needs. The reset output is active-low, push-pull, so it drives the reset pin directly without a pull-up resistor.
Where it goes — temperature grade and environment
The SOT-23-8 package keeps board area small — about 3 mm × 3 mm — and the pin pitch is 0.65 mm, which is hand-solderable with a fine tip or hot air.
