SG Micro Corp

SGM706 Low-Cost, Microprocessor Supervisory Circuit


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.



• 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


Intelligent Instruments
Automotive Systems
Critical μP Power Monitoring


Part Number Status Package Pins Pb-Free Temp Range
SGM706-LYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples
SGM706-MYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples
SGM706-JYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples
SGM706-TYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples
SGM706-SYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples
SGM706-SYMS8G/TR Production MSOP-8 8 Y -40℃ to +85℃ Samples
SGM706-RYS8G/TR Production SOIC-8 8 Y -40℃ to +85℃ Samples

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