PCS809NSIURF

更新时间： 2024-02-01 20:23:10

品牌	Logo	应用领域
PULSECORE		微处理器监控
页数	文件大小	规格书
8页	516K
描述
3-Pin μP Voltage Supervisor

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数据手册

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PCS809NSIURF 数据手册

January 2007

rev 0.2

PCS809/PCS810

3-Pin µP Voltage Supervisor

DESCRIPTION

FEATURES

•

Ultra Low Supply Current 1µA(typ.)

PCS809/PCS810 are low-power microprocessor (µP)

supervisory circuits used to monitor power supplies in µP

and digital systems. They provide applications with

benefits of circuit reliability and low cost by eliminating

external components.

Guaranteed Reset Valid to VCC=0.9V

Available in three Output Types: Open Drain

Active Low (PCS809N), Push-Pull Active Low

(PCS809), Push-Pull Active High (PCS810)

140ms Min. Power-On Reset Pulse Width

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 140ms whenever VCC

supply voltage falls below preset threshold. Both PCS809

and PCS810 were designed with a reset comparator to

help identify invalid signals, which last less than 140ms.

The only difference between them is that they have an

active-low RESET output and active-high RESET output,

respectively.

•

Tight Voltage Threshold Tolerance: 1.5%

Low profile Package: SOT-23-3

APPLICATIONS

•

Notebook Computers

Digital Still Cameras

PDAs

Critical Microprocessor Monitoring

Low supply current (1µA) makes PCS809/PCS810 ideal

for portable equipment. The devices are available in 3-

SOT-23 package

RESET THRESHOLD

Suffix

Voltage(V)

4.6

Typical Operating Circuit

4.4

4.0

VCC

3.1

2.9

2.6

2.3

VCC

PCS809

(PCS810)

RESET

INPUT

RESET

(RESET)

GND

Push-Pull Output

PulseCore Semiconductor Corporation

1715 S. Bascom Ave Suite 200 Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018

www.pulsecoresemi.com

Notice: The information in this document is subject to change without notice.

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