DS1819, DS1814 Datasheet - Dallas Semiconductor

DS1819 5V/3.3V MicroMonitor

DS181xA 1 RST 2 GND PBRST 3 4 ST 5 VCC DS181xB 1 RST 2 GND 3 RST 4 ST 5 VCC DS181xC 1 RST 2 GND 3 RST 4 PBRST 5 VCC Active Low Reset Output Ground Pushbutton Reset Input Strobe Input Power Supply DEVICE RST PBRST WD X X DS181xA X DS181xB X X DS181xC X X x = "DS1814" for 5V devices x = "DS1819" .

DS1819 Features

* Halts and restarts an out-of-control microprocessor Holds microprocessor in check during power transients Automatically restarts microprocessor after power failure Monitors pushbutton for external override Accurate 5%, 10%, or 20% (3V only)

DS1814_DallasSemiconductor.pdf