Datasheet > SGM812-MXKA4/TR

SGM812-MXKA4/TR

更新时间： 2024-01-11 21:05:23

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
12页	1076K
描述
Microprocessor Supervisory with Manual Reset Input

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SGM812-MXKA4/TR 数据手册

SGM811/SGM812

Microprocessor Supervisory

with Manual Reset Input

GENERAL DESCRIPTION

FEATURES

The SGM811/SGM812 supervisory circuits monitor the

power supply voltage in microprocessor and digital

systems. The SGM811/SGM812 is designed to monitor

seven different voltages; these voltages have been

selected for the effective monitoring of 1.8V, 2.5V, 3V,

3.3V and 5V supply voltage levels.

● Superior Upgrade for MAX811/MAX812 and

ADM811/ADM812

● Specified Over Temperature

● Low Power Consumption (13μA TYP)

● Precision Voltage Monitor: 1.8V, 2.5V, 3V, 3.3V

and 5V Options

● Reset Assertion Down to 1V V_CC

● 150ms Min Power-On Reset

They provide a reset output during power-up, power-

down and brownout conditions. On power-up, an internal

timer holds reset asserted for 240ms. This holds the

microprocessor in a reset state until conditions have

Logic Low RESET Output (SGM811)

Logic High RESET Output (SGM812)

● Manual Reset Input

stabilized. The

output remains operational with

● Green SOT-143 and SOT-23-5 Packages

RESET

V_CCas low as 1V. The SGM811 provides an active low

reset signal ( ) while the SGM812 provides an

PIN CONFIGURATIONS (TOP VIEW)

RESET

SOT-143

active high signal (RESET) output.

GND

V_CC

The SGM811/SGM812 has a manual reset input. The

manual reset function is very useful, especially if the

circuit in which the SGM811/SGM812 is operating enters

into a state that can only be detected by the user.

Allowing the user to reset a system manually can reduce

the damage or danger that could otherwise be caused by

an out-of-control or locked system. The devices come in

SOT-143 and SOT-23-5 packages.

RESET/RESET

SOT-23-5

V_CC

GND

RESET/RESET

APPLICATIONS

Microprocessor Systems

Controllers

TYPICAL OPERATION CIRCUIT

V_CC

Intelligent Instruments

Automotive Systems

Safety Systems

MICROPROCESSOR

SGM811

SYSTEM

RESET

GND

Portable Instruments

100kΩ

REV. B. 4

SG Micro Corp

www.sg-micro.com

12 3 4 5 6 7...12

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