Datasheet > SGM824A

SGM824A

更新时间： 2024-11-19 17:01:43

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
13页	625K
描述
5-Pin Microprocessor Supervisory Circuit with Watchdog Timer

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SGM824A 数据手册

SGM824A

5-Pin Microprocessor Supervisory

Circuit with Watchdog Timer

GENERAL DESCRIPTION

FEATURES

The SGM824A is

complete microprocessor

● Ultra-Low Supply Current: 0.64μA (TYP)

● Precision Supply-Voltage Monitor

 2.19V for SGM824A-Y

supervisory device which combines reset and

watchdog functions in a SOT-23-5 package. System

reliability is significantly improved by such integration

compared to the designs with individual ICs or

discrete components. The SGM824A also features an

excellent transient immunity to ignore fast V_CC

transients.

 1.67V for SGM824A-W

 1.58V for SGM824A-V

● Two Reset Output Options

 Push-Pull nRESET

 Push-Pull RESET

● Guaranteed nRESET Valid at V_CC= 1V

● Fully Specified over Temperature

● 200ms Reset Pulse Width

The device has an active-low reset output (nRESET)

that is activated by a watchdog expiry event or due to

a low V_CCvoltage. The nRESET output is guaranteed

to be in the correct logic state even if V_CCfalls down to

1V. The device also has a complementary active-high

reset output (RESET). The SGM824A is offered in

three fixed V_CCreset threshold voltages.

● Power-Supply Transient Immunity

● Watchdog Timer with 1.6s Timeout

● Debounced TTL/CMOS-Compatible

● No External Components

● -40℃ to +125℃ Operating Temperature Range

● Available in a Green SOT-23-5 Package

The SGM824A is available in a Green SOT-23-5

package. It operates over an ambient temperature

range of -40℃ to +125℃.

APPLICATIONS

Computers

Controllers

Intelligent Instruments

Automotive Systems

Critical μP Power Monitoring

TYPICAL APPLICATION

V_CC

Microprocessor

nRESET

V_CC

nRESET

SGM824A

RESET

WDI

I/O

GND

SG Micro Corp

OCTOBER 2020–REV. A.1

www.sg-micro.com

12 3 4 5 6 7...13

中文翻译

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