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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » MAX6381-90 MPU Supervisory Circuit - Maxim Integrated
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Maxim MAX6389 Microprocessor Supervisory Circuit

Maxim MAX6381-90 MPU Supervisory Circuits

Maxim Integrated MAX6381-90 Microprocessor Supervisory Circuits monitor power-supply voltages from +1.8V to +5.0V while consuming only 3μA of supply current at +1.8V. MAX6381 / MAX6384 / MAX6387 have a push-pull active-low reset output. MAX6382 / MAX6385 / MAX6388 have a push-pull active-high reset output, and MAX6383 / MAX6386 / MAX6389 / MAX6390 have an open-drain active-low reset output. MAX6384 / MAX6385 / MAX6386 also feature a debounced manual reset input (with internal pullup resistor). MAX6387 / MAX6388 / MAX6389 have an auxiliary input for monitoring a second voltage. MAX6390 offers a manual reset input with a longer VCC reset timeout period (1120ms or 1200ms) and a shorter manual reset timeout (140ms or 150ms).

  • Factory-Set Reset Threshold Voltages Ranging from +1.58V to +4.63V in Approximately 100mV Increments
  • ±2.5% Reset Threshold Accuracy Over Temperature (-40°C to +125°C)
  • Seven Reset Timeout Periods Available: 1ms, 20ms, 140ms, 280ms, 560ms, 1120ms, 1200ms (min)
  • 3 Reset Output Options
    • Active-Low Push-Pull
    • Active-High Push-Pull
    • Active-Low Open-Drain
  • Reset Output State Guaranteed Valid Down to VCC = 1V
  • Manual Reset Input (MAX6384/MAX6385/MAX6386)
  • Auxiliary RESET IN (MAX6387/MAX6388/MAX6389)
  • VCC Reset Timeout (1120ms or 1200ms)/Manual Reset Timeout (140ms or 150ms) (MAX6390)
  • Computers
  • Controllers
  • Intelligent Instruments
  • Critical Microprocessor and Microcontroller Power Monitoring
  • Portable/Battery-Powered Equipment
  • Dual Voltage Systems
Typical Operating Circuit
max6389 Typical Operating Circuit

  • Maxim Integrated
  • Power Management
  • Semiconductors|Integrated Circuits|IC-Power Management