IMP1832SEMA Datasheet (IMP Inc) - 3.3V P Power Suppl Monitor and Reset Circuit

IMP1832SEMA, 3.3V P Power Suppl Monitor and Reset Circuit

Pin Number 8-Pin Package 1 2 3 4 5 Name PBRST TD TOL GND RESET Function Debounced manual pushbutton reset input Watchdog time delay selection.

(tTD = 150ms for TD = GND, tTD = 610ms for TD = Open, and tTD =1200ms for TD = VCC) Selects 10% (TOL connected to GND) or 20% (TOL connected to VCC) trip

IMP1832SEMA Features

* x Pin compatible with the Dallas Semiconductor DS1832

* Over 40% lower supply current x 3.3V supply monitor x Push-pull output x Selectable watchdog period x Debounce manual push-button reset input x Precision temperature-compensated voltage reference and comparator x Power-up, power-down an