Datasheet > MAX708

MAX708

更新时间： 2024-09-16 14:57:19

品牌	Logo	应用领域
亚德诺 - ADI		监控微处理器
页数	文件大小	规格书
12页	1021K
描述
低成本、微处理器监控电路

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MAX708 数据手册

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MAX705–MAX708/MAX813L

Low-Cost, μP Supervisory Circuits

General Description

Beneﬁts and Features

● Supervisory-Function Integration Significantly

Improves System Reliability While Reducing Board

Space

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 signiﬁcantly improve

system reliability and accuracy compared to separate ICs or

discrete components.

• μMAX Package

• Guaranteed RESET Valid at V

- 200ms Reset Pulse Width

= 1V

The MAX705/MAX706/MAX813L provide four functions:

- Debounced TTL/CMOS-Compatible Manual-

Reset Input

- Active-High Reset Output (MAX707/MAX708/

MAX813L)

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

brownout conditions.

2) An independent watchdog output that goes low if

the watchdog input has not been toggled within 1.6

seconds.

• Precision-Supply Voltage Monitor

- 4.65V (MAX705/MAX707/MAX813L)

- 4.40V (MAX706/MAX708)

• Voltage Monitor for Power-Fail or Low-Battery

Warning

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

battery detection, or for monitoring a power supply

other than +5V.

4) An active-low manual-reset input.

Ordering Information

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.

Two supply-voltage monitor levels are available: The

MAX705/MAX707/MAX813L generate a reset pulse when

the supply voltage drops below 4.65V, while the MAX706/

MAX708 generate a reset pulse below 4.40V. All four parts

PART

TEMP RANGE

0°C to +70°C

PIN-PACKAGE

8 Plastic DIP

8 SO

MAX705CPA

MAX705CSA

MAX705CUA

MAX705C/D

8 μMAX

Dice*

*Dice are specified at T = +25°C.

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

Devices in PDIP, SO, and μMAX packages are available in both

leaded and lead(Pb)-free/RoHS-compliant packaging. Specify

lead-free by adding the + symbol at the endof the part number

when ordering.

are available in 8-pin DIP, SO, and µMAX packages.

Applications

● Computers

● Controllers

Lead-free packaging is not available for CERDIP packages.

● Intelligent Instruments

● Critical μP Power Monitoring

Ordering Information continued at end of data sheet.

Typical Operating Circuit

Pin Configurations appear at end of data sheet.

UNREGULATED DC

MAX667

+5V DC LINEAR

REGULATOR

µP

RESET

PFI

RESET

I/O LINE

PFI

MAX705

MAX706

MAX813L

WDO

PFO

NMI

INTERRUPT

PUSHBUTTON

SWITCH

µMAX is a registered trademark of Maxim Integrated Products, Inc.

19-4334; Rev. 11; 7/18

12 3 4 5 6 7...12

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与MAX708相关器件

型号	品牌	获取价格	描述	数据表
MAX708C	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit
MAX708C/D	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX708C/D+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 2 Channel, CMOS, LEAD FREE, DIE-8
MAX708CPA	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX708CPA	ROCHESTER	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8, PLASTIC, DIP-8
MAX708CPA	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit
MAX708CPA+	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 2 Channel, +4.4VV, CMOS, PDIP8, LEAD FREE, PLAST
MAX708CSA	MAXIM	获取价格	Low-Cost, uP Supervisory Circuits
MAX708CSA	ROCHESTER	获取价格	2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8, SO-8
MAX708CSA	ARTSCHIP	获取价格	Low-Cost, pervisory Circuit

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