Datasheet > AME8570AEIU

AME8570AEIU

更新时间： 2024-11-23 04:49:19

品牌	Logo	应用领域
安茂微 - AME		/
页数	文件大小	规格书
17页	170K
描述
mProcessor Supervisory

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数据手册

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AME8570AEIU 数据手册

AME, Inc.

mProcessor Supervisory

AME8570

n General Description

n Functional Block Diagram

AME8570 Push-Pull RESET/ RESETB

TheAME8570 family allows the user to customize the

CPU reset function without any external components.

The user has serveral choice of reset voltage thresholds,

reset time intervals, and output driver configurations, all

of which are preset at the factory.

RESET/

RESETB

Delay

These circuits monitor the power supply voltage of mP

based systems. When the power supply voltage drops

below the voltage threshold a reset is asserted immedi-

ately ( within an interval T_D1). The reset remains asserted

after the supply voltage rises above the voltage threshold

for a time interval, T_D2. The reset output may be either

active high ( RESET ) or active low ( RESETB ). The

reset output may be configured as either push/pull or

open drain. The state of the reset output is guaranteed

to be correct only when supply voltage is greater than

1V.

V_REF

GND

AME8570 Open-Drain RESET/RESETB

RESET/

RESETB

Delay

TheAME8570 also provide a reset manually by pulling

the MRB input to ground.

V_REF

GND

Space saving SC-70 package and micropower quies-

cent current ( < 5.0mA ) make this family a natural for

portable battery powered equipment.

AME8570 Push-Pull RESET/ RESETB with MRB

n Features

MRB

l Small Packages : SC-70, SOT-23

l Tight Voltage Threshold Tolerance :

± 1.50%

l Wide Temperature Range : -40^OC to 85^OC

l Low Quiescent Current < 5.0 mA

l Manual Reset Input Option

l All AME's Lead Free Products Meet RoHS

Standards

RESET/

RESETB

Delay

V_REF

GND

AME8570 Open-Drain RESET/ RESETB with MRB

MRB

nApplications

l Portable Electronics

l Power Supplies

RESET/

RESETB

l Computer Peripherals

l Data Acquisition Systems

l Applications using CPUs

l Consumer Electronics

Delay

V_REF

GND

Rev. A.01

12 3 4 5 6 7...17

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