Datasheet > CN803

CN803

更新时间： 2024-11-08 02:51:47

品牌	Logo	应用领域
如韵 - CONSONANCE		/
页数	文件大小	规格书
7页	144K
描述
Ultra Low Power Microprocessor Reset IC

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CN803 数据手册

CONSONANCE

Ultra Low Power Microprocessor Reset IC

CN803/809/CN810

General Description

Features

The CN803/809/810 series are micro- processor

(µP) supervisory circuits used to monitor the

power supplies in µP and digital systems. They

provide excellent circuit reliability and low cost

by eliminating external components.



Precise Reset Threshold: ±2.5%

CMOS Output(CN809/810) and Open Drain

Output(CN803)



140ms min Reset Pulse Width

3.2µA Supply Current @V_CC=3V

Guaranteed Reset Valid to V_CC= +1.15V

Power Supply Transient Immunity

Operating Temperature Range

-40°C to +85°C

These circuits perform a single function: they

assert a reset signal whenever the V_CCsupply

voltage declines below a preset threshold, keeping

it asserted for at least 140ms after V_CChas risen

above the reset threshold.



Available in SOT23-3

The CN809/810 have CMOS outputs, the CN803

has open drain output. The CN803/809 have an

Pin Assignment

active-low

output, while the CN810 has

an active-high RESET output. The reset

GND

comparator is designed to ignore fast transients on

CN803

CN809

CN810

V_CC, and the outputs are guaranteed to be in the

VCC

correct logic state for V_CCdown to 1.15V over the

temperature range.

RESET

(RESET)

The device is available in 3 pin SOT23 package.

SOT23-3

( ) is for CN810 only

Applications



Computers

Portable/Battery-Powered Equipment

Intelligent Instruments

Controllers

www.consonance-elec.com

Rev 1.2

12 3 4 5 6 7

中文翻译

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