19-0496; Rev 11; 2/13

MAX6316–MAX6322

5-Pin µP Supervisory Circuits with

Watchdog and Manual Reset

For pricing, delivery, and ordering information, please contact Maxim Direct

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

___________________________________________________________________Selector Guide

________________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 1.12s), and four watchdog timeout

periods (from 6.3ms to 25.6s). Thirteen 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 1.12s (min)

o Four Watchdog Timeout Periods

6.3ms, 102ms, 1.6s, or 25.6s (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

_______________Ordering Information

Ordering Information continued at end of data sheet.

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.

Typical Operating Circuit and Pin Configurations appear at

end of data sheet.

Devices are available in both leaded and lead(Pb)-free packaging.

Specify lead-free by replacing “-T” with “+T” when ordering.

/V Denotes an automotive-qualified part.

PART

TEMP RANGE

PIN-PACKAGE

MAX6316LUK__ __- T

-40°C to +125°C

5 SOT23

MAX6316LUK__ __/ V + T

-40°C to +125°C

5 SOT23

MAX6316MUK__ __- T

-40°C to +125°C

5 SOT23

MAX6317HUK__ __- T

-40°C to +125°C

5 SOT23

MAX6318HUK__ __- T

-40°C to +125°C

5 SOT23

MAX6318MHUK__ __- T

-40°C to +125°C

5 SOT23