MAX802SCPA Datasheet

IC型号：
MAX802SCPA
PDF描述：
Maxim Integrated Products [3.0V/3.3V Microprocessor Supervi...
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19-0243; Rev 1; 9/94

3.0V/3.3V Microprocessor Supervisory Circuits

_______________General Description

These microprocessor (碌P) supervisory circuits reduce

the complexity and number of components required for

power-supply monitoring and battery-control functions

in 碌P systems. They significantly improve system relia-

bility and accuracy compared to separate ICs or

discrete components.

These devices are designed for use in systems powered

by 3.0V or 3.3V supplies. See the selector guide in the

back of this data sheet for similar devices designed for

5V systems. The suffixes denote different reset threshold

voltages: 3.075V (T), 2.925V (S), and 2.625V (R) (see

Reset Threshold

section in the

Detailed Description).

All

these parts are available in 8-pin DIP and SO packages.

Functions offered in this series are as follows:

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Po ara

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Po cur

Ac ery

att h

res up-B itc

Re ut

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____________________________Features

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RESET and RESET Outputs

Manual Reset Input

Precision Supply-Voltage Monitor

200ms Reset Time Delay

Watchdog Timer (1.6sec timeout)

Battery-Backup Power Switching鈥?/div>

Battery Can Exceed V

in Normal Operation

40碌A V

Supply Current

1碌A Battery Supply Current

Voltage Monitor for Power-Fail or

Low-Battery Warning

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Guaranteed RESET Assertion to V

= 1V

8-Pin DIP and SO Packages

MAX690T/S/R, 704T/S/R, 802T/S/R, 804鈥?06T/S/R

______________Ordering Information

PART**

MAX690_CPA

MAX690_CSA

MAX690_C/D

MAX690_EPA

MAX690_ESA

MAX690_MJA

TEMP. RANGE

0掳C to +70掳C

-40掳C to +85掳C

-55掳C to +125掳C

PIN-PACKAGE

8 Plastic DIP

8 SO

Dice*

8 Plastic DIP

8 SO

8 CERDIP

Part

MAX690

MAX704

MAX802

MAX804

MAX805

MAX806

________________________Applications

Battery-Powered Computers and Controllers

Embedded Controllers

Intelligent Instruments

Automotive Systems

Critical 碌P Power Monitoring

Portable Equipment

__________________Pin Configuration

TOP VIEW

OUT

GND

PFI

( ) ARE FOR MAX804T/S/R, MAX805T/S/R

< >

ARE FOR MAX704T/S/R, MAX806T/S/R

Call toll free 1-800-998-8800 for free samples or literature.

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igh

________________________________________________________________

Maxim Integrated Products

Inp

卤4%

卤2%

卤4%

卤2%

卤75mV

卤2%

卤75mV

卤2%

Ordering Information continued on last page.

* Contact factory for dice specifications.

** These parts offer a choice of reset threshold voltage. Select

the letter corresponding to the desired nominal reset threshold

voltage (T = 3.075V, S = 2.925V, R = 2.625V) and insert it into

the blank to complete the part number.

_________Typical Operating Circuits

REGULATED +3.3V OR +3.0V

UNREGULATED

0.1碌F

RESET

(RESET)

PFO

3.6V

LITHIUM

BATTERY

PFI

MAX690T/S/R

WDI

MAX802T/S/R

MAX804T/S/R

MAX805T/S/R

VBATT

GND

0.1碌F

OUT

0.1碌F

CMOS RAM

GND

碌P

RESET

NMI

I/O LINE GND

BUS

MAX690T/S/R

MAX704T/S/R

MAX802T/S/R

MAX804T/S/R

MAX805T/S/R

MAX806T/S/R

DIP/SO

VBATT

RESET (RESET)

WDI

PFO

( ) ARE FOR MAX804T/S/R, MAX805T/S/R

See last page for MAX704T/S/R, MAX806T/S/R.

MAX802SCPA PDF文件相关型号

MAX802SCSA,MAX804SMJA

MAX802SCPA 产品属性

制造商
Maxim Integrated Products
监测电压数
1
监测电压
1 V to 5.5 V
欠电压阈值
2.88 V
过电压阈值
3.02 V
输出类型
Active Low, Push-Pull
人工复位
Not Resettable
监视器
Watchdog
电池备用开关
Backup
上电复位延迟（典型值）
200 ms
Supply Voltage - Max
5.5 V
Supply Voltage - Min
1 V
电源电流（典型值）
50 uA
最大功率耗散
727 mW
最大工作温度
+ 70 C
安装风格
Through Hole
封装 / 箱体
PDIP N
最小工作温度
0 C
功率失效检测
Yes

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