Analog Devices MAX6459UTB+T — Logic ICs
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Analog Devices / Logic ICs

MAX6459UTB+T Simple Reset/Power-On Reset, SOT-23-6, Active

MPN MAX6459UTB+T
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Maxim Integrated MAX6459UTB+T, Simple Reset/Power-On Reset, Active Low, Open Drain or Open Collector, SOT-23-6, Adjustable/Selectable Threshold, 50µs Typical Reset Timeout, -40°C to 125°C.

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[SPEC] Essential Parameters Snapshot Full Specifications (10)
Package / Case SOT-23-6

Full Technical Specifications

10 Parameters
MAX6459UTB+T specifications
Parameter / AttributeSpecification / Value
TypeSimple Reset/Power-On Reset
MountingSurface Mount
Voltage - thresholdAdjustable/Selectable
Number of voltages monitored1
Operating temperature-40°C ~ 125°C (TA)
ResetActive Low
OutputOpen Drain or Open Collector
PackageTape & Reel (TR); Cut Tape (CT)
Reset timeout50µs Typical
CaseSOT-23-6
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Technical Details & Description

Single-channel supervisor with adjustable threshold in SOT-23-6

The open-drain or open-collector output stays low for a typical 50 µs reset timeout after the rail returns, giving the system a clean power-up sequence. The adjustable threshold means a single ordering code covers multiple rail voltages — set the trip point with an external resistor divider, which simplifies BOM consolidation across designs with different core or I/O voltages.

Industrial temperature grade and surface-mount footprint

The SOT-23-6 package (supplier device package SOT-6) is a common footprint for supervisor ICs, so layout reuse across multiple supply-rail monitors is straightforward. Surface-mount assembly keeps the pick-and-place step simple for medium-to-high-volume production.

Frequently asked questions

Does MAX6459UTB+T have an adjustable reset threshold?

Yes, the voltage threshold is adjustable/selectable. An external resistor divider sets the trip point, so one part number can monitor different rail voltages across the board.

What is the closest pin-compatible alternative to MAX6459UTB+T in this component family?

The MAX6458 is a same-function sibling in the same SOT-23-6 package family. The primary difference is the reset timeout — the MAX6459UTB+T has a typical 50 µs timeout, while the MAX6458 uses a different timeout value. Verify the timeout requirement for your application before substituting.

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