Datasheet > SS811-31CV

SS811-31CV

更新时间： 2024-11-01 06:14:03

品牌	Logo	应用领域
SSC		复位电路
页数	文件大小	规格书
8页	298K
描述
Reset Circuits with Manual Reset Input

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数据手册

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SS811-31CV 数据手册

SS811, SS812

Reset Circuits with Manual Reset Input

FEATURES

DESCRIPTION

Ultra-low supply current of 1mA (typ.)

Guaranteed reset valid to Vcc=0.9V

Available in two output yypes:

Push-pull active-low (SS811)

The SS811 and SS812 are low-power microprocessor

(µP) supervisory circuits used to monitor power supplies

in µP and digital systems. They improve circuit reliability

and reduce cost by eliminating external components.

The SS811 and SS812 also offer a manual reset input.

Push-pull active-high (SS812)

Power-on reset pulse width minimum 140ms

Internally fixed threshold 2.3V, 2.6V, 2.9V, 3.1V, 4.0V,

4.4V, and 4.6V

These devices perform as valid singles in applications

with Vcc ranging from 6.0V down to 0.9V. The reset

signal lasts for a minimum period of 140mswhenever the

VCC supply voltage falls below a preset threshold. Both

the SS811 and SS812 were designed with a reset

comparator to help identify invalid signals lasting less

than 140ms. The only difference between the SS811 and

the SS812 is that one has an active-low RESET output

Tight voltage threshold tolerance: 1.5%

Low profile package: SOT-23-5

APPLICATIONS

l Notebook Computers

l Digital Still Cameras

l PDAs

l Critical Microprocessor Monitoring

and the other has an active-high RESET output.

A low supply current (1mA) makes the SS811 and

SS812 ideal for portable equipment. The devices are

available in a SOT-23-5 package.

TYPICAL APPLICATION CIRCUIT

VCC

SS811

(SS812)

RESET

INPUT

RESET

(RESET)

GND

Pushbutton

Switch

Rev.1.01 4/06/2004

www.SiliconStandard.com

1 of 8

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