MIC707

The MIC705, MIC706, MIC707, and MIC708 areinexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor-based systems. The circuit functions include a watchdog timer, microprocessor reset, power-failure warning, and a debounced manual reset input.

The MIC705 and MIC706 offer a watchdog timer function while the MIC707 and MIC708 have an active-high reset output in addition to the active-low reset output.

Supply voltage monitor levels of 4.65V and 4.4V are available. The MIC705 and MIC707 have a nominal reset threshold level of 4.65V while the MIC706 and MIC708 have a 4.4V nominal reset threshold level. When the supply voltage drops below the respective reset threshold level, /RESET is asserted.

Features
  • Debounced manual reset input is TTL/CMOS Compatible
  • Reset pulse width: 200ms
  • Watchdog timer, 1.6s (MIC705/706)
  • 4.65V or 4.40V Precision Voltage Monitor
  • Early power fail warning or low battery detect
Parameter
Parameter Name Value Value
Typical Reset Pulse Width (ms) 140 140
Reset Type Active-High/Low Push-Pull Active-High/Low Push-Pull
Typical Supply Current (uA) 30 30
Nominal Reset Voltage (V) 4.65 4.65
Product Type Single Voltage Monitor Single Voltage Monitor
Documents
MIC705/706/707/708 Data SheetData Sheets11/09/2015420KB
MIC705/706/707/708 Data Sheet MIC708
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