DS1818R-10-U 3.3V Reset Supervisor For Processor Rails

DS1818R-10-U is used to control reset sequencing in 3.3V digital systems where uncontrolled startup can corrupt state, latch buses, or stall firmware. It monitors the supply and asserts reset during out-of-tolerance conditions, then maintains reset after recovery so the rail and clock domains can settle. DS1818R-10-U also supports pushbutton reset handling in the same device family, which can simplify the front panel or service interface on embedded products. For boards with multiple reset sources, keep the reset node clean and avoid long, high-impedance runs near switching converters. Put DS1818R-10-U close to the rail sense point and follow recommended decoupling to reduce susceptibility to fast dips. In firmware, treat reset causes explicitly so field logs remain actionable. Request a quote for DS1818R-10-U.