MAX699CWE+ Maxim Integrated Products, MAX699CWE+ Datasheet

MAX699CWE+

Manufacturer Part Number

MAX699CWE+

Description

IC MPU SUPERVISRY CIRCUIT 16SOIC

Manufacturer

Maxim Integrated Products

Type

Simple Reset/Power-On Resetr

Datasheet

1.MAX699CPA.pdf (4 pages)

Specifications of MAX699CWE+

Number Of Voltages Monitored

Output

Open Drain, Push-Pull

Reset

Active High/Active Low

Reset Timeout

140 ms Minimum

Voltage - Threshold

4.65V

Operating Temperature

0°C ~ 70°C

Mounting Type

Surface Mount

Package / Case

16-SOIC (0.300", 7.5mm Width)

Monitored Voltage

5 V

Manual Reset

Watchdog

Yes

Battery Backup Switching

Power-up Reset Delay (typ)

500 ms

Supply Voltage (max)

5.5 V

Supply Voltage (min)

3 V

Supply Current (typ)

5000 uA

Maximum Power Dissipation

600 mW

Mounting Style

SMD/SMT

Maximum Operating Temperature

+ 70 C

Chip Enable Signals

Minimum Operating Temperature

0 C

Output Type

Active High or Active Low or Open Drain or Push-Pull

Power Fail Detection

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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The MAX698/MAX699 monitor the +5V supply in micro-

processor (µP) and digital systems. They supply a

RESET pulse of at least 140ms duration on power-up,

power-down, and during low-voltage brownout condi-

tions. Circuit reliability is increased at reduced cost by

eliminating all external components and adjustments.

The MAX699 includes all features of the MAX698, but

also provides a watchdog input to monitor microproces-

sor activity. The RESET output goes low if the watchdog

input (WDI) is not toggled within 1 second. The watch-

dog feature can be disabled by leaving WDI open.

Both parts are supplied in 8-lead PDIP and 16-lead

0.3in wide small outline (SO) packages and are speci-

fied from 0°C to +70°C for C grade devices and -40°C

to +85°C for E devices. The SO versions, with more

pins than the 8-lead PDIP, have additional outputs not

available in DIP packages. These are RESET (without

inversion) and watchdog output (WDO).

19-2349; Rev 3; 12/05

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.

+5V

Computers

Controllers

Intelligent Instruments

Automotive Systems

Critical µP Power Monitoring

GND

Typical Operating Circuit

________________________________________________________________ Maxim Integrated Products

MAX698

General Description

RESET

GND

N.C.

Applications

+5V

TO µP

RESET

INPUT

Low-Cost, Power-On Reset

and Watchdog Controllers

♦ Precision Voltage Monitor

♦ Power-OK/Reset Time Delay

♦ Watchdog Timer

♦ Minimum Component Count

ing. Specify lead free by adding the + symbol at the end of the

part number when ordering.

MAX698CPA

MAX698CWE

MAX698EPA

MAX698EWE

MAX699CPA

MAX699CWE

MAX699EPA

MAX699EWE

Devices are available in both leaded and lead-free packag-

PART*

* PIN LABELS IN ( ) ARE FOR MAX699 ONLY

TOP VIEW

GND

N.C.

-40°C to +85°C

Ordering Information

TEMP RANGE

0°C to +70°C

MAX699*

MAX698

MAX699*

MAX698

Pin Configuration

DIP

GND

N.C.

N.C. (WDO)*

N.C.

RESET

N.C. (WDI)*

RESET

N.C. (WDI)*

GND

PIN-PACKAGE

Features

16 Wide SO

8 PDIP

Related parts for MAX699CWE+

MAX699CWE+ Summary of contents

Page 1

... RESET CC MAX698 3 GND 4 GND ________________________________________________________________ Maxim Integrated Products 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. Low-Cost, Power-On Reset and Watchdog Controllers ♦ Precision Voltage Monitor ♦ Power-OK/Reset Time Delay ♦ Watchdog Timer ♦ ...

Page 2

Low-Cost, Power-On Reset and Watchdog Controllers ABSOLUTE MAXIMUM RATINGS V ........................................................................-0.3V to +6.0V CC Input Voltage (with respect to GND) WDI, WDO, RESET, RESET ..…………………………-0. Operating Temperature Range C Suffix………………………………………………0°C to +70°C E Suffix ......……………………………………….-40°C to +85°C Rate ...

Page 3

PIN SO PDIP 5–8, 10– WDI (MAX699 Only) WDO (MAX699 Only) 14 — — WDI Figure 1. Block Diagram _______________________________________________________________________________________ Low-Cost, ...

Page 4

... Maxim reserves the right to change the circuitry and specifications without notice at any time. 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 4 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products © ...

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