Datasheet > SE809

SE809

更新时间： 2024-11-10 06:11:07

品牌	Logo	应用领域
思旺 - SEAWARD		微处理器监控
页数	文件大小	规格书
5页	179K
描述
3-Pin Microprocessor Reset Monitor

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中文翻译

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数据手册

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SE809 数据手册

3-Pin Microprocessor Reset Monitor

(Preliminary)

SE809

Description

Features

The SE809 is

cost-effective system

Precision V_CCMonitor for 2.8V, 3.0V, 3.3V, and

5.0V Supplies

supervisor Integrated Circuit (IC) designed to

monitor V_CCin digital and mixed signal systems and

provide a warning signal when the system power

supply is out of working range, and a reset signal to

the host processor when necessary. No external

components are required.

200mSec typical RESET Output Delay.

RESET Output Guaranteed to V_CC=1.0V

Low 7μA Supply Current typical.

V_CCTransient Immunity

Small SOT-23 Package and TO-92 Package

No External Components

The reset output is driven active within 20μsec

of V_CCfalling through the reset voltage threshold.

Reset is maintained active after V_CCrises above the

reset threshold. The SE809 has an active-low

RESET output. The output of the SE809 is

guaranteed valid down to V_CC=1V.

Wide Operating Temperature: 0°C to 85°C

100% Lead (Pb)-Free

The SE809 is optimized to reject fast transient

glitches on the V_CCline. Low supply current of 18μA

(V_CC=3.3V) makes these devices suitable for battery

powered applications. The output voltages range

from 1.7V to 4.5V in 100mV increments. Standard

voltage versions are 2.30, 2.63, 2.93, 3.08, 4.0,

4.38, and 4.63V.

Application

Computers

Embedded systems

Battery powered equipment

Critical µP power supply monitoring

Pin Configuration

Application Diagram

Revision 1/7/2008

Preliminary and all contents are subject to change without prior notice.

12 3 4 5

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