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SGM812C

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Microprocessor Supervisory Circuit with Manual Reset Input

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The SGM811C and SGM812C are integrated microprocessor supervisory devices which can be reset under power-up, power-down or even voltage reduction brownout conditions. When VCC is as low as 1V, the reset output can still operate. On the power-on state, the internal timer maintains a 200ms reset assertion, which keeps the microprocessor in the reset state until the condition is stable.

The SGM811C has an active-low nRESET output, while the SGM812C has an active-high RESET output. These devices provide six reset threshold voltage options for 2.5V, 3V, 3.3V and 5V voltage monitoring.

These devices also provide a manual reset (nMR) function. It can reduce damage if the device loses its control or is locked.

The SGM811C and SGM812C are available in a Green SOT-143 package. They operates over a junction temperature range of -40 to +125.

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FEATURES
  • Superior Upgrade for MAX811/MAX812 and ADM811/ADM812

  • High Accuracy Fixed Detection Options: 2.5V, 3V, 3.3V and 5V

  • Low Supply Current: < 1μA (TYP)

  • 200ms (TYP) Power-on Reset Pulse Width

  • Reset Output Options: Active-High RESET Output

  • Manual Reset Input

  • Reset Valid Down to VCC = 1V

  • Available in a Green SOT-143 Package

APPLICATIONS

Computers

Battery-Powered Applications

Portable Equipment

Automotive Equipment

Safety Systems

Intelligent Instruments

Critical μP Power Monitoring

Ordering Information
Part Number
StatusPackagePinsPd-Free
RoHS
REACH
Green
MSL RatingOperating Temperature RangeMaterial ContentReliability Report
Unit Resale Price*
(Volume Range: in USD)
Lead Time**
(Volume Range: Days)
SGM812C-JXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View
SGM812C-MXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View
SGM812C-RXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View
SGM812C-SXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View
SGM812C-TXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View
SGM812C-ZXKA4G/TR
Active
SOT-143
4
Yes
YesYesYes
-40℃ to +125℃
View
View

* The unit resale price is for reference purposes only. Please contact our distributors for a formal quotation.

** The lead time provided is for reference purposes only and is subject to change based on different circumstances.

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SG Micro Corp (SGMICRO) specializes in the development, manufacturing and sales of high-performance and high-reliability integrated circuits for analog signal conditioning and system power management, offering innovative solutions to a broad range of applications in the industrial, automotive, communication, computing, consumer electronics, and medical equipment markets.
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