MAX6390XS31D4+T

Product Summary

The MAX6390XS31D4+T is a single/dual low-voltage, low-power μp reset circuit. The MAX6390XS31D4+T microprocessor (μP) supervisory circuits monitor power supply voltages from +1.8V to +5.0V while consuming only 3μA of supply current at +1.8V. Whenever VCC falls below the factory-set reset thresholds, the reset output asserts and remains asserted for a minimum reset timeout period after VCC rises above the reset threshold. Reset thresholds are available from +1.58V to +4.63V, in approximately 100mV increments. Seven minimum reset timeout delays ranging from 1ms to 1200ms are available. The The MAX6390XS31D4+T has an open-drain active-low reset output. The The MAX6390XS31D4+T offers a manual reset input with a longer VCC reset timeout period (1120ms or 1200ms) and a shorter manual reset timeout (140ms or 150ms).

Parametrics

MAX6390XS31D4+T absolute maximum ratings: (1)VCC to GND : -0.3V to +6.0V; (2)RESET Open-Drain Output: -0.3V to +6.0V; (3)RESET, RESET (Push-Pull Output): -0.3V to (VCC + 0.3V); (4)MR, RESET IN: -0.3V to (VCC + 0.3V); (5)Input Current (VCC): 20mA; (6)Output Current (All Pins): 20mA; (7)Continuous Power Dissipation (TA = +70℃); (8)3-Pin SC70 (derate 2.9mW/℃ above +70℃): 235mW; (9)4-Pin SC70 (derate 3.1mW/℃ above +70℃): 245mW; (10)Operating Temperature Range : -40℃ to +125℃; (11)Storage Temperature Range : -65℃ to +150℃; (12)Lead Temperature (soldering, 10s): +300℃.

Features

MAX6390XS31D4+T features: (1)Factory-Set Reset Threshold Voltages Ranging from +1.58V to +4.63V in Approximately 100mV Increments; (2)±2.5% Reset Threshold Accuracy Over Temperature (-40℃ to +125℃); (3)Seven Reset Timeout Periods Available: 1ms, 20ms, 140ms, 280ms, 560ms, 1120ms, 1200ms (min); (4)Reset Output State Guaranteed Valid Down to VCC = 1V; (5)Manual Reset Input (MAX6384/MAX6385/MAX6386); (6)Auxiliary RESET IN; (7)VCC Reset Timeout (1120ms or 1200ms)/Manual Reset Timeout (140ms or 150ms)(MAX6390); (8)Negative-Going VCC Transient Immunity; (9)Low Power Consumption of 6μA at +3.6V and 3μA at +1.8V.

Diagrams