MAX6373KA+T
Pin-Selectable Watchdog Timers
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Features

● Precision Watchdog Timer for Critical μP Applications
● Pin-Selectable Watchdog Timeout Periods
● Pin-Selectable Watchdog Startup Delay Periods
● Ability to Change Watchdog Timing Characteristics Without Power Cycling
● Open-Drain or Push-Pull Pulsed Active-Low Watchdog Output
● Watchdog Timer Disable Feature
● +2.5V to +5.5V Operating Voltage
● 8μA Low Supply Current
● No External Components Required
● Miniature 8-Pin SOT23 Package
● AEC-Q100 Qualified (MAX6369KA/V+ and MAX6374KA/V+ Only)

Specifications

Absolute Maximum Ratings

● Terminal Voltage (with respect to GND)

    VCC: -0.3V to +6V

    WDI: -0.3V to +6V

    WDO (Open Drain: MAX6369/71/73): -0.3V to +6V

    WDO (Push-Pull: MAX6370/72/74: -0.3V to (VCC + 0.3V)

    SET0, SET1, SET2: -0.3V to (VCC + 0.3V)

● Maximum Current, Any Pin (input/output): 20mA

● Continuous Power Dissipation (TA = +70°C)

    8-Pin SOT23 (derate 5.6mW/°C above +70°C): 444.4mW

● Operating Temperature Range: -40°C to +125°C

● Storage Temperature Range: -65°C to +150°C

● Junction Temperature: +150°C

● VCC Rise or Fall Rate: 0.05V/μs

● Lead Temperature (soldering, 10s): +300°C

● Soldering Temperature (reflow)

    Lead(Pb)-free: +260°C

    Containing Lead (Pb): +240°C

Pin Configuration

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Part Numbering System

Part Marking System

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Ordering Guide

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Block Diagram

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