___________________________________________________________________Selector Guide

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________________General Description

The MAX6316–MAX6322 family of microprocessor (µP)

supervisory circuits monitors power supplies and

microprocessor activity in digital systems. It offers sev-

eral combinations of push/pull, open-drain, and bidirec-

tional (such as Motorola 68HC11) reset outputs, along

with watchdog and manual-reset features. The

Selector

Guide below lists the specific functions available from

each device. These devices are specifically designed

These devices are available in 26 factory-trimmed reset

threshold voltages (from 2.5V to 5V, in 100mV incre-

ments), featuring four minimum power-on reset timeout

periods (from 1ms to 1.12sec), and four watchdog time-

out periods (from 6.3ms to 25.6sec). Nine standard ver-

sions are available with an order increment requirement

of 2500 pieces (see

Standard Versions table); contact

the factory for availability of other versions, which have

an order increment requirement of 10,000 pieces.

The MAX6316–MAX6322 are offered in a miniature

5-pin SOT23 package.

________________________Applications

Portable Computers

Computers

Controllers

Intelligent Instruments

Portable/Battery-Powered Equipment

Embedded Control Systems

____________________________Features

o Small 5-Pin SOT23 Package

o Available in 26 Reset Threshold Voltages

2.5V to 5V, in 100mV Increments

o Four Reset Timeout Periods

1ms, 20ms, 140ms, or 1.12sec (min)

o Four Watchdog Timeout Periods

6.3ms, 102ms, 1.6sec, or 25.6sec (typ)

o Four Reset Output Stages

Active-High, Push/Pull

Active-Low, Push/Pull

Active-Low, Open-Drain

Active-Low, Bidirectional

o Low Cost

o No External Components

5-Pin µP Supervisory Circuits with

Watchdog and Manual Reset

________________________________________________________________

Maxim Integrated Products

1

19-0496; Rev 3; 1/99

PART

MAX6316LUK____-T

MAX6316MUK____-T

-40°C to +85°C

-40°C to +85°C

TEMP. RANGE

PIN-PACKAGE

5 SOT23-5

5 SOT23-5

_______________Ordering Information

Ordering Information continued at end of data sheet.

MAX6317HUK____-T

-40°C to +85°C

5 SOT23-5

MAX6318HUK____-T

-40°C to +85°C

5 SOT23-5

ACTIVE-LOW

OPEN-DRAIN

MAX6316L

MAX6316M

MAX6317H

MAX6321HP

MAX6318LH

—

MAX6318MH**

—

MAX6319LH

—

MAX6319MH**

—

MAX6320P

ACTIVE-LOW

PUSH/PULL

—

—

—

—

—

ACTIVE-HIGH

PUSH/PULL

—

—

—

ACTIVE-LOW

BIDIRECTIONAL

—

—

—

—

—

PART

WATCHDOG

INPUT

MANUAL

RESET

INPUT

—

—

—

—

MAX6322HP

—

—

—

—

—

—

—

RESET OUTPUTS*

—

—

*

The MAX6318/MAX6319/MAX6321/MAX6322 feature two types of reset output on each device.

**

Future product—contact factory for availability.

MAX6318MHUK____-T

-40°C to +85°C

5 SOT23-5

Typical Operating Circuit and Pin Configurations appear at

end of data sheet.