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MAXMAXMAX6811SEUS+T
Integrated Circuits (ICs)

MAX6467US46D3+

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Analog Devices Inc./Maxim Integrated

MICROPROCESSOR SUPERVISORY RESET CIRCUITS WITH EDGE-TRIGGERED, ONE-SHOT MANUAL RESET

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MAXMAXMAX6811SEUS+T
Integrated Circuits (ICs)

MAX6467US46D3+

Active
Analog Devices Inc./Maxim Integrated

MICROPROCESSOR SUPERVISORY RESET CIRCUITS WITH EDGE-TRIGGERED, ONE-SHOT MANUAL RESET

Technical Specifications

Parameters and characteristics for this part

SpecificationMAX6467US46D3+
GradeAutomotive
Mounting TypeSurface Mount
Number of Voltages Monitored1
Operating Temperature [Max]125 °C
Operating Temperature [Min]-40 °C
OutputOpen Drain or Open Collector
Package / CaseTO-253AA, TO-253-4
QualificationAEC-Q100
ResetActive Low
Reset Timeout [Min]150 ms
Supplier Device PackageSOT-23-4
TypePower Supply Monitor
Voltage - Threshold4.625 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

DistributorPackageQuantity$
DigikeyBulk 92$ 3.27

Description

General part information

MAX6467 Series

The MAX6467/MAX6468 microprocessor (µP) supervisory circuits monitor single power-supply voltages from +1.8V to +5.0V and assert a reset if the supply voltage drops below its preset threshold. An edge-triggered, one-shot manual reset function ensures that the µP enters the reset mode for a fixed timeout period only, even in the event of a continuously asserted manual reset. The MAX6467/MAX6468 significantly improve system reliability compared to traditional manual reset supervisory circuits.A variety of factory-trimmed threshold options accommodate different supply voltages and tolerances, eliminating external components. The factory-set thresholds range from +1.575V to +4.625V to monitor +5.0V, +3.3V, +3.0V, +2.5V, and +1.8V supplies with various tolerances. Reset timeout periods of 150ms (min) and 1200ms (min) are available to accommodate different µP platforms.A single, active-low RESET output asserts when VCCdrops below its threshold or if the edge-triggered active-low MR asserts low. Active-low RESET remains low for the reset timeout period after VCCrises above its threshold and for a fixed, one-shot timeout period after a manual reset input falling edge. Active-low RESET remains valid as long as VCCremains above +1V. Open-drain (MAX6467) and push-pull (MAX6468) output options provide additional flexibility in the system design.The MAX6467/MAX6468 are offered in the space-saving 4-pin SOT143 package and the ultra-small 4-pin SC70 package and are specified over the automotive (-40°C to +125°C) temperature range.ApplicationsAutomotive ProductsCell Phones/PDAsDigital CamerasDSL ModemsEmbedded Control SystemsGlobal Positioning Systems (GPS)Industrial EquipmentMedical DevicesMP3 PlayersPortable/Battery-Powered Equipment