The MAX6381XR26D3+: The reset timeout is 140 ms minimum, which holds the processor in reset long enough for the supply rail to stabilise after power-up or a brownout event. This is the nominal minimum; the actual timeout may be longer, but the system design should budget for the 140 ms floor.
AEC-Q100 Grade 1 for under-hood and engine-bay duty
The 125°C ambient ceiling gives margin for self-heating in a sealed enclosure.
SC-70-3 footprint for space-constrained layouts
The supplier device package is SC-70-3, a standard footprint shared with many other voltage supervisors and small-signal transistors — the land pattern is defined in JEDEC MO-203.