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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » MAX6746 Supervisory Circuits - Maxim
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Maxim MAX6746 Supervisory Circuits

Maxim MAX6746 Supervisory Circuits

Maxim MAX6746 low-power microprocessors (µP) supervisory circuits monitor single/dual system supply voltages from 1.575V to 5V and provide maximum adjustability for reset and watchdog functions. These devices assert a reset signal whenever the VCC supply voltage or RESET IN falls below its reset threshold or when manual reset is pulled low. The reset output remains asserted for the reset timeout period after VCC and RESET IN rise above the reset threshold. The reset function features immunity to power-supply transients. The reset and watchdog delays are adjustable with external capacitors. The MAX6746 microprocessors contain a watchdog select input that extends the watchdog timeout period by 128x. The MAX6746 microprocessors are available with a push-pull or open-drain active-low RESET output. Maxim MAX6746 microprocessors are available in an 8-pin SOT23 package and are fully specified over the automotive temperature range (-40°C to +125°C).


Features
  • Factory-Set Reset Threshold Options from 1.575V to 5V in ~100mV Increments
  • Single/Dual Voltage Monitoring
  • Capacitor-Adjustable Reset Timeout
  • Capacitor-Adjustable Watchdog Timeout
  • Min/Max (Windowed) Watchdog Option
  • Manual Reset Input Option
  • Guaranteed Active-Low RESET Valid for VCC > 1V
  • 3.7µA Supply Current
  • Push-Pull or Open-Drain Active-Low RESET Output Options
  • Power-Supply Transient Immunity
  • Small 8-Pin SOT23 Packages

Applications
  • Automotive
  • Battery-Powered Computers/Controllers
  • Computers
  • Critical µP Monitoring
  • Embedded Controllers
  • Intelligent Instruments
  • Medical Equipment
  • Portable Equipment
  • Set-Top Boxes

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