MAX816E

更新时间： 2024-11-01 22:55:11

品牌	Logo	应用领域
美信 - MAXIM		监控
页数	文件大小	规格书
16页	112K
描述
【1% Accuracy, Low-Power, +3V and +5V レP Supervisory Circuits

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数据手册

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MAX816E 数据手册

19-0412; Rev 0; 6/95

±1 % Ac c u ra c y, Lo w -P o w e r, +3 V a n d +5 V

µP S u p e rvis o ry Circ u it s

45/MAX816

_______________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX814/MAX815/MAX816 a re hig h-a c c ura c y

microprocessor (µP) supervisory circuits that provide

power-on reset, watchdog, and power-fail functions.

They eliminate manual trimming and improve reliability

in critical applications needing high-accuracy reset

thresholds. The RESET output is guaranteed to be in

♦ ±1% Worst-Case Reset Threshold Accuracy

♦ 4.8V, 4.7V, 4.55V, 3.03V, or Adjustable Reset

Thresholds

♦ ±1% Low-Line Threshold Accuracy (MAX814)

60mV Above Reset Threshold

the correct state for V

down to 1V. The reset com-

♦ 200ms Reset Time Delay

parator is designed to ignore fast transients on V

Reset thresholds are available for operation with a vari-

ety of 3V and 5V supply voltages.

♦ Active-Low RESET Output

Active-High RESET Output (MAX814/MAX816)

A 75µA maximum supply current makes the MAX814/

MAX815/MAX816 ideal for use in portable equipment.

All three devices are available in 8-pin DIP and SO

packages. See the Selector Table below for a review of

features.

♦ 75µA Max Supply Current

♦ Guaranteed RESET Valid to V

♦ Manual Reset Input

= 1V

♦ ±2% Power-Fail Comparator

_____________________S e le c t o r Ta b le

♦ Independent Watchdog with 1.56sec Timeout

(MAX815)

FEATURE

RESET Output

Manual Reset

MAX814

MAX815

MAX816

✔

♦ Power-Supply Glitch Immunity

♦ 8-Pin SO and DIP Packages

✔

Reset Voltage

K, L, N, T

K, L, N, T Adjustable

_____________Re s e t Trip Th re s h o ld s

✔

Power-Fail Monitor

Low-Line Detector

Watchdog Circuit

MAX814/MAX815

RESET TRIP THRESHOLD

SUFFIX

✔

MIN (V)

4.75

MAX (V)

4.85

________________________Ap p lic a t io n s

Medical Equipment

4.65

4.75

4.50

4.60

Controllers

Intelligent Instruments

Critical µP Power Monitoring

Portable/Battery-Powered Equipment

Set-Top Boxes

3.00

3.06

MAX816

—

Adjustable

Ordering Information appears at end of data sheet.

__________________________________________________________P in Co n fig u ra t io n s

TOP VIEW

RESET

LOW LINE

PFO

WDO

RESET

WDI

RESET

RESET IN

PFO

MAX814

MAX815

MAX816

GND

PFI

PFO

PFI

DIP/SO

________________________________________________________________ Maxim Integrated Products

Ca ll t o ll fre e 1 -8 0 0 -9 9 8 -8 8 0 0 fo r fre e s a m p le s o r lit e ra t u re .

12 3 4 5 6 7...16

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与MAX816E相关器件

型号	品牌	获取价格	描述	数据表
MAX816EPA	MAXIM	获取价格	【1% Accuracy, Low-Power, +3V and +5V レP Super
MAX816EPA+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, CMOS, PDIP8, 0.300 INCH, LEAD FREE, P
MAX816ESA	MAXIM	获取价格	【1% Accuracy, Low-Power, +3V and +5V レP Super
MAX816ESA	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, 0.150 INCH, SOP-8
MAX816ESA+T	MAXIM	获取价格	暂无描述
MAX816ESA-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, 0.150 INCH, SOP-8
MAX817	MAXIM	获取价格	+5V Microprocessor Supervisory Circuits
MAX817	ADI	获取价格	+5V微处理器监控电路
MAX817_CPA	MAXIM	获取价格	+5V Microprocessor Supervisory Circuits
MAX817_CSA	MAXIM	获取价格	+5V Microprocessor Supervisory Circuits

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