MAX707

更新时间： 2024-11-05 22:55:15

品牌	Logo	应用领域
美信 - MAXIM		监控
页数	文件大小	规格书
12页	101K
描述
Low-Cost, uP Supervisory Circuits

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数据手册

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MAX707 数据手册

19-4334; Rev. 5; 9/95

Lo w -Co s t , µP S u p e rvis o ry Circ u it s

5–70/MAX813L

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

___________________________Fe a t u re s

♦ µMAX Package: Smallest 8-Pin SO

The MAX705-MAX708/MAX813L microprocessor (µP)

supervisory circuits reduce the complexity and number

of components required to monitor power-supply and

battery functions in µP systems. These devices signifi-

cantly improve system reliability and accuracy com-

pared to separate ICs or discrete components.

♦ Guaranteed RESET Valid at V_CC= 1V

♦ Precision Supply-Voltage Monitor

4.65V in MAX705/MAX707/MAX813L

4.40V in MAX706/MAX708

♦ 200ms Reset Pulse Width

The MAX705/MAX706/MAX813L provide four functions:

♦ Debounced TTL/CMOS-Compatible

1) A reset output during power-up, power-down, and

brownout conditions.

Manual-Reset Input

♦ Independent Watchdog Timer—1.6sec Timeout

2) An independent watchdog output that goes low if

the watchdog input has not been toggled within 1.6

seconds.

(MAX705/MAX706)

♦ Active-High Reset Output

(MAX707/MAX708/MAX813L)

3) A 1.25V threshold detector for power-fail warning,

low-battery detection, or for monitoring a power sup-

ply other than +5V.

♦ Voltage Monitor for Power-Fail or Low-Battery

Warning

4) An active-low manual-reset input.

The MAX707/MAX708 are the same as the MAX705/

MAX706, except an active-high reset is substituted for

the watchdog timer. The MAX813L is the same as the

MAX705, except RESET is provided instead of RESET.

______________Ord e rin g In fo rm a t io n

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

8 Plastic DIP

8 SO

MAX705CPA

MAX705CSA

MAX705CUA

MAX705C/D

Two supply-voltage monitor levels are available: The

MAX705/MAX707/MAX813L generate a reset pulse when

the s up p ly volta g e d rop s b e low 4.65V, while the

MAX706/MAX708 generate a reset pulse below 4.40V.

All four parts are available in 8-pin DIP, SO and µMAX

packages.

8 µMAX

Dice*

Ordering Information continued at end of data sheet.

* Dice are specified at T = +25°C.

**Contact factory for availability and processing to MIL-STD-883.

_______________________Ap p lic a t io n s

Computers

Controllers

_________________P in Co n fig u ra t io n s

TOP VIEW

Intelligent Instruments

Automotive Systems

Critical µP Power Monitoring

WDO

RESET (RESET)

WDI

MAX705

MAX706

MAX813L

GND

PFI

PFO

__________Typ ic a l Op e ra t in g Circ u it

DIP/SO

UNREGULATED DC

MAX667

+5V DC LINEAR

REGULATOR

RESET

N.C.

µP

MAX707

MAX708

GND

PFI

RESET

PFI

RESET

I/O LINE

PFI

PFO

MAX705

MAX706

MAX813L

WDO

PFO

NMI

INTERRUPT

DIP/SO

PUSHBUTTON

SWITCH

( ) ARE FOR MAX813L ONLY.

Pin Configurations continued at end of data sheet.

________________________________________________________________ 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...12

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与MAX707相关器件

型号	品牌	获取价格	描述	数据表
MAX707/D	MAXIM	获取价格	?P Supervisory Circuits
MAX707C	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit
MAX707C/D	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX707C/D+	MAXIM	获取价格	暂无描述
MAX707CPA	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX707CPA	ROCHESTER	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8, PLASTIC, DIP-8
MAX707CPA	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit
MAX707CPA+	MAXIM	获取价格	暂无描述
MAX707CSA	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX707CSA	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit

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