Single-/Dual-/Triple-Voltage µP Supervisory

Circuits with Independent Watchdog Output

14

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___________________Chip Information

PROCESS: BiCMOS

GND

MR

WDO

16

5

WDI

RST

MAX6730

MAX6731

SOT23-6

TOP VIEW

2

34

GND

WDO

16

5

WDI

RST

MAX6732

MAX6733

SOT23-6

SOT23-8

2

34

MR

WDO

1

2

8

7

RSTIN

GND

WDI

RST

3

4

6

5

MAX6734

MAX6735

Pin Configurations

MAX6734

MAX6735

+0.9V

+3.3V

+1.8V

MR

GND

RSTIN

RST

WDI

WDO

PUSHBUTTON

SWITCH

RESET

µP

NMI

I/O

(I/O)

(MEMORY)

GND

Typical Operating Circuit

Selector Guide

PART NUMBER

VOLTAGE

MONITORS

RST OUTPUT

MANUAL RESET

WATCHDOG

INPUT

WATCHDOG

OUTPUT

MAX6730

1

Open Drain

√√

Open Drain

MAX6731

1

Push-Pull

√√

Push-Pull

MAX6732

2

Open Drain

—

√

Open Drain

MAX6733

2

Push-Pull

—

√

Push-Pull

MAX6734

3

Open Drain

√√

Open Drain

MAX6735

3

Push-Pull

√√

Push-Pull

PACKAGE

TYPE

PACKAGE

CODE

OUTLINE

NO.

LAND

PATTERN NO.

6 SOT23

U6-1

21-0058

90-0175

8 SOT23

K85N-1

21-0078

90-0176

Package Information

For the latest package outline information and land patterns

(footprints), go to www.maxim-ic.com/packages. Note that a

“+”, “#”, or “-” in the package code indicates RoHS status only.

Package drawings may show a different suffix character, but

the drawing pertains to the package regardless of RoHS status.