Datasheet > SGM811C

SGM811C

更新时间： 2023-09-03 20:25:22

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
7页	585K
描述
Microprocessor Supervisory Circuit with Manual Reset Input

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SGM811C 数据手册

SGM811C/SGM812C

Microprocessor Supervisory Circuits

with Manual Reset Input

GENERAL DESCRIPTION

FEATURES

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 V_CCis 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.

● 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-Low nRESET Output: SGM811C

 Active-High RESET Output: SGM812C

● Manual Reset Input

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.

● Reset Valid Down to V_CC= 1V

● Available in a Green SOT-143 Package

These devices also provide a manual reset (nMR)

function. It can reduce damage if the device loses its

control or is locked.

APPLICATIONS

Computers

The SGM811C and SGM812C are available in a Green

SOT-143 package. They operates over a junction

temperature range of -40℃ to +125℃.

Battery-Powered Applications

Portable Equipment

Automotive Equipment

Safety Systems

Intelligent Instruments

Critical μP Power Monitoring

TYPICAL APPLICATION

V_CC

SGM811C

Microprocessor

nMR

nRESET

GND

nRESET

GND

Switch

100kΩ

Figure 1. Typical Application Circuit Example

SG Micro Corp

DECEMBER2022–REV. A

www.sg-micro.com

12 3 4 5 6 7

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