DS1834 Datasheet (Dallas Semiconductor)

DS1834, Dual EconoReset

5VIN 5V RST ( *RST) 5V TOL GND - 5V Power Supply Input - 5V Reset Output - Selects 5V Input Tolerance - Ground PBRST - Pushbutton Reset 3.3V TOL - Selects 3.3V Input Tolerance 3.3V RST ( *RST) - 3.3V Reset Output 3.3VIN - 3.3V Power Supply Input *DS1834D Active High Reset DESCRIPTION The

DS1834 Features

* 5V power-on reset 3.3V power-on reset Internal power is drawn from higher of either the 5VIN input or the 3.3VIN input Excellent for systems designed to operate with dual power supplies Asserts resets during power transients Pushbutton reset input for system override Maintains reset for 350 ms after