Products > Integrated Circuits (ICs) > DS1818R-10+T
DS1818R-10+T SOT-23
  • DS1818R-10+T
  • DS1818R-10+T 0
Images are for reference only.


3.3V EconoReset with Pushbutton

Manufacturer :
Maxim Integrated
Package/Case :
Product Categories :
Supervisors (1 Monitored Voltage)
DS1818R-10+T PDF
RoHs Status:
Lead free / RoHS Compliant

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DS1818R-10+T Product Details

The DS1813 (5V) and DS1818R-10+T (3.3V) EconoResets are simple three-pin voltage monitors and power-on resets that hold reset for 150ms for stabilization after power returns to tolerance. The voltage monitor uses precision temperature reference and comparator circuits that detect out-of-tolerance conditions and generate an active low reset. The DS1818R-10+T has an open-drain output with an internal 5.5kΩ pull-up resistor for use in a wired-AND circuit. The DS1818R-10+T also monitors a pushbutton on the reset output, generating a reset when the pushbutton is released. EconoResets replace discrete components and save space, particularly in the new SOT-23 package. They can benefit any system that requires reliable processor operation, especially consumer products like printers, HVAC, energy management, cellular telephones, PDAs, and set-top boxes.


  • Improves Reliability of Processor Operation
    • Temperature-Compensated Voltage Monitor for Precise, Automated Power-Fail Detection
    • Automatically Restarts a Microprocessor After Power Failure
    • Maintains Reset for 150ms After VCC Returns to Tolerance for Processor Stabilization
    • Monitors Pushbutton for External Override
    • Active-Low Reset Output
  • Efficient Open-Drain Output with Internal 5.5kΩ Pullup Resistor Saves Power and Space
    • 35μA (max) Quiescent Current
  • Allows for Easy Design with No Complicated Settings
    • Fixed 3.3V Reset Threshold
    • 5%, 10%, and 20% Tolerance Versions Available
  • Operates in Most Commercial and Industrial Environments
    • -40°C to +85°C Operating Temperature Range
  • MXD1818 Offers Improved Performance over the DS1818

DS1818R-10+T Block Diagram
(Picture: Diagram)

Technical Parameters

Reset Thresh. (V) 2.5 to 3.3 Icc (max) (\u03bcA) 35
Reset Out Active Low ,Open Drain RoHS Available Yes
treset (min) 85ms to 300ms Industry Qualified -
Watchdog Feature No Watchdog Oper. Temp. (\u00b0C) -40 to +85 ,0 to +70
Watchdog Timeout - Package/Pins SOT23/3 ,TO92/3
Supervisor Features Manual Reset Smallest Available Pckg. (max w/pins) (mm2) 8
Reset Thresh. Accur. (@ +25\u00b0C) (%) 2.5 Budgetary Price (See Notes) $1.16 @1k

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