MAX703EPA Maxim Integrated Products, MAX703EPA Datasheet

MAX703EPA

Manufacturer Part Number

MAX703EPA

Description

DIP-8

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX703EPA.pdf (9 pages)

2.MAX703EPA.pdf (8 pages)

3.MAX703EPA.pdf (8 pages)

Specifications of MAX703EPA

Date_code

05+

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX703EPA+

Manufacturer:

Maxim Integrated Products

Quantity:

135

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Download datasheet (147Kb)

19-0130; Rev 2; 11/05

The MAX703/MAX704 microprocessor (µP) supervisory

circuits reduce the complexity and number of compo-

nents required for power-supply monitoring and battery

control functions in µP systems. These devices signifi-

cantly improve system reliability and accuracy com-

pared to that obtained with separate ICs or discrete

components.

The MAX703/MAX704 are available in 8-pin DIP and SO

packages and provide four functions:

1) An active-low reset during power-up, power-down,

2) Battery-backup switching for CMOS RAM, CMOS

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

4) An active-low manual reset input.

The MAX703 and MAX704 differ only in their supply-

voltage monitor levels. The MAX703 generates a reset

when the supply drops below 4.65V, while the MAX704

generates a reset below 4.4V.

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

UNREGULATED DC

and brownout conditions.

µPs, or other low-power logic circuitry.

low-battery detection, or for monitoring a power

supply other than +5V.

Computers

Controllers

Intelligent Instruments

Automotive Systems

Critical µP Power Monitoring

BATTERY

LITHIUM

3.6V

0.1μF

Typical Operating Circuit

PUSHBUTTON

SWITCH

________________________________________________________________ Maxim Integrated Products

PFI

BATT

REGULATED +5V

MAX703

MAX704

Low-Cost Microprocessor Supervisory

General Description

GND

RESET

PFO

OUT

Applications

NMI

RESET

MICROPROCESSOR

CMOS RAM

BUS

Circuits with Battery Backup

GND

♦

* Dice are tested at T

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

Devices in PDIP and SO packages are available in both leaded

and lead-free packaging. Specify lead free by adding the +

symbol at the end of the part number when ordering. Lead free

not available for CERDIP package.

MAX703C/D

MAX703CPA

MAX703CSA

MAX703EPA

MAX703ESA

MAX703MJA

MAX704C/D

MAX704CPA

MAX704CSA

MAX704EPA

MAX704ESA

MAX704MJA

Battery-Backup Power Switching

Precision Supply-Voltage Monitor

200ms Reset Pulse Width

Debounced TTL/CMOS-Compatible Manual Reset

Input

200µA Quiescent Current

50nA Quiescent Current in Battery-Backup Mode

Voltage Monitor for Power-Fail or Low-Battery

Warning

8-Pin DIP and SO Packages

Guaranteed RESET Assertion to V

4.65V (MAX703)

4.40V (MAX704)

TOP VIEW

PART

GND

OUT

PFI

= +25°C only.

-40°C to +85°C

-55°C to +125°C

-40°C to +85°C

-55°C to +125°C

TEMP RANGE

Ordering Information

0°C to +70°C

DIP/SO

MAX703

MAX704

Pin Configuration

PIN-PACKAGE

RESET

PFO

8 CERDIP**

BATT

Features

= 1V

8 PDIP

Dice*

8 SO

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