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MAX6316 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX6316
Description  5-Pin μP Supervisory Circuits with Watchdog and Manual Reset
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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___________________________________________________________________Selector Guide
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
________________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
to ignore fast negative transients on VCC. Resets are
guaranteed valid for VCC down to 1V.
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 Guaranteed Reset Valid to VCC = 1V
o Immune to Short Negative VCC Transients
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.




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