Datasheet > SGM811-ZXN5

SGM811-ZXN5

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
圣邦微 - SGMICRO		微处理器监控
页数	文件大小	规格书
9页	481K
描述
Microprocessor Supervisory with Manual Reset Input

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SGM811-ZXN5 数据手册

SGM811

SGM812

Microprocessor Supervisory

with Manual Reset Input

GENERAL DESCRIPTION

FEATURES

− Superior Upgrade for MAX811/MAX812 and

ADM811/ADM812

− Specified over Temperature

− Low Power Consumption (17 μA Typ)

− Precision Voltage Monitor: 2.5V,3 V, 3.3 V, 5 V

Options

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 2.5V, 3 V, 3.3 V, and 5 V

supply voltage levels.

− Reset Assertion Down to 1 V VCC

− 160 ms Min Power-On Reset

They provide

reset output during power-up,

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

internal timer holds reset asserted for 240 ms. This holds

the microprocessor in a reset state until conditions have

Logic Low

Output (SGM811)

RESET

Logic High RESET Output (SGM812)

− Manual Reset Input

stabilized. The

output remains operational with

RESET

CC as low as 1 V. The SGM811 provides an active low reset

− Compact 4-Pin SOT143 and 5-Pin SOT23 Packages

signal (

signal (RESET) output.

) while the SGM812 provides an active high

RESET

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 a 4-pin SOT143

and 5-pin SOT23 packages.

PIN CONFIGURATIONS（TOP VIEW）

SOT143-4

GND

V_CC

RESET/RESET

APPLICATIONS

Microprocessor Systems

Controllers

Intelligent Instruments

Automotive Systems

Safety Systems

SOT23-5

V_CC

GND

RESET/RESET

Portable Instruments

TYPICAL OPERATION CIRCUIT

V_CC

MICROPROCESSOR

SYSTEM

SGM811

RESET

GND

100KO

GND

Nov 2006

Shengbang Microelectronics Co, Ltd

Tel: 86/451/84348461

www.sg-micro.com

12 3 4 5 6 7...9

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