MAX808N Maxim Integrated Products, MAX808N Datasheet

MAX808N

Manufacturer Part Number

MAX808N

Description

(MAX801x / MAX808x) Supervisory Circuits

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX808N.pdf (12 pages)

Available stocks

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Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX808NCPA+

Manufacturer:

Quantity:

15 600

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX808NCSA+T

Manufacturer:

MAXIM

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MAX808NEPA+

Manufacturer:

Maxim Integrated Products

Quantity:

135

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The MAX801/MAX808 microprocessor (µP) supervisory

circuits monitor and control the activities of +5V µPs by

providing backup-battery switchover, low-line indica-

tion, and µP reset. Additional features include a watch-

dog for the MAX801 and CMOS RAM write protection

for the MAX808.

The MAX801/MAX808 offer a choice of reset-threshold

voltage (denoted by suffix letter): 4.675V (L), 4.575V

(N), and 4.425V (M). These devices are available in

8-pin DIP and SO packages.

________________________Applications

19-1086; Rev 0; 6/96

Pin Configurations appear at end of data sheet.

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

__________Typical Operating Circuit

_______________General Description

+5V

Computers

Controllers

Intelligent Instruments

Critical µP Power Monitoring

Portable/Battery-Powered Equipment

Embedded Systems

0.1 F

BATT

________________________________________________________________ Maxim Integrated Products

MAX808

GND

LOWLINE

CE OUT

RESET

OUT

CE IN

0.1 F

NMI

RESET

FROM I/O SYSTEM OR

ADDRESS DECODER

TO CMOS RAM

POWER FOR

CMOS RAM

µP SYSTEM

8-Pin µP Supervisory Circuits

POWER

with ±1.5% Reset Accuracy

* These parts offer a choice of reset threshold voltage. From the

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

____________________________Features

MaxCap is a trademark of The Carborundum Corp.

SuperCap is a trademark of Baknor Industries.

______________Ordering Information

MAX801_CPA

MAX801_CSA

MAX801_EPA

MAX801_ESA

MAX801_MJA

MAX808_CPA

MAX808_CSA

MAX808_EPA

MAX808_ESA

MAX808_MJA

table below, select the suffix corresponding to the desired

threshold and insert it into the blank to complete the part number.

Precision Voltage Monitoring, ±1.5% Reset

Accuracy

200ms Power-OK/Reset Time Delay

RESET Output (MAX808)

RESET and RESET Outputs (MAX801)

Watchdog Timer (MAX801)

On-Board Gating of Chip-Enable Signals (MAX808):

1µA Standby Current

Power Switching:

MaxCap™/SuperCap™ Compatible

RESET Guaranteed Valid to V

Low-Line Threshold 52mV Above Reset

Threshold

SUFFIX

PART*

Memory Write-Cycle Completion

3ns CE Gate Propagation Delay

250mA in V

20mA in Battery-Backup Mode

-40°C to +85°C

-55°C to +125°C

-40°C to +85°C

-55°C to +125°C

4.60

4.50

4.35

MIN

TEMP. RANGE

0°C to +70°C

Mode

RESET THRESHOLD (V)

4.675

4.575

4.425

TYP

= 1V

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

8 CERDIP**

8 Plastic DIP

8 SO

8 Plastic DIP

8 SO

8 CERDIP**

PIN-PACKAGE

MAX

4.75

4.65

4.50

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