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SGM706

Low-Cost, Microprocessor Supervisory Circuit
 
Low-Cost, Microprocessor Supervisory Circuit
GENERAL DESCRIPTION

The SGM706 microprocessor supervisory circuit reduces the complexity and number of components required to monitor power-supply and monitor microprocessor activity. It significantly improves system reliability and accuracy compared to separate ICs or discrete components.

The SGM706 provides power-supply monitoring circuitry that generates a reset output during power-up, power-down and brownout conditions. The reset output remains operational with VCC as low as 1V. Independent watchdog monitoring circuitry is also provided. This is activated if the watchdog input has not been toggled within 1.6 seconds.

In addition, there is a 1.25V threshold detector for power-fail warning, low-battery detection, or monitoring an additional power supply. An active-low manual-reset input (MR) is also included.

The SGM706 is available in Green SOIC-8 package. The SGM706-S is available in both Green SOIC-8 and MSOP-8 packages. They operate over an ambient temperature range of -40 to +85.

PIN CONFIGURATIONS

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FEATURES
  • Precision Supply-Voltage Monitor
      4.65V for SGM706-L
      4.40V for SGM706-M
      4.0V for SGM706-J
      3.08V for SGM706-T
      2.93V for SGM706-S
      2.63V for SGM706-R

  • Guaranteed RESET Valid at VCC = 1V

  • 200ms Reset Pulse Width

  • Debounced TTL/CMOS-Compatible

      Manual-Reset Input

  • Independent Watchdog Timer (1.6sec) Timeout

  • Voltage Monitor for Power-Fail or Low-Battery Warning

  • -40 to +85 Operating Temperature Range

  • SGM706 is Available in Green SOIC-8 Package

  • SGM706-S is Available in both Green SOIC-8 and MSOP-8 Packages

APPLICATIONS

Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical μP Power Monitoring

ORDERING INFORMATION
Part NumberStatusPackagePinsPb-FreeTemp Range
SGM706-LYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-MYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-JYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-TYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-SYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-RYS8G/TRProductionSOIC-88Y-40℃ to +85℃
SGM706-SYMS8G/TRProductionMSOP-88Y-40℃ to +85℃

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