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MAX6326UR35-T

Description
3-pin ultra-low power SC70/SOT microprocessor reset circuit
CategoryPower/power management    The power supply circuit   
File Size130KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Download Datasheet Parametric View All

MAX6326UR35-T Overview

3-pin ultra-low power SC70/SOT microprocessor reset circuit

MAX6326UR35-T Parametric

Parameter NameAttribute value
Is it lead-free?Contains lead
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeSOT-23
package instructionTSSOP,
Contacts3
Reach Compliance Codecompli
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G3
JESD-609 codee0
length2.92 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals3
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)245
Certification statusNot Qualified
Maximum seat height1.12 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1.2 V
Nominal supply voltage (Vsup)3 V
surface mountYES
Temperature levelINDUSTRIAL
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width1.3 mm
19-1294; Rev 3; 1/00
3-Pin, Ultra-Low-Power SC70/SOT
µP Reset Circuits
General Description
The MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/
MAX6348 microprocessor (µP) supervisory circuits moni-
tor the power supplies in µP and digital systems. These
devices provide excellent circuit reliability and low cost
by eliminating external components and adjustments
when used with 2.5V, 3V, 3.3V, and 5V powered circuits.
These circuits perform a single function: they assert a
reset signal whenever the V
CC
supply voltage declines
below a preset threshold, keeping it asserted for at least
100ms after V
CC
has risen above the reset threshold.
The only difference between the devices is their output.
The MAX6326/MAX6346 (push-pull) and MAX6328/
MAX6348 (open-drain) have an active-low reset output.
The MAX6327/MAX6347 have an active-high push-pull
reset output. All of these parts are guaranteed to be in
the correct state for V
CC
down to 1V. The reset compara-
tor is designed to ignore fast transients on V
CC
. Reset
thresholds are factory-trimmable between 2.2V and
4.63V, in approximately 100mV increments. Twenty-one
standard versions are available. Contact the factory for
availability of nonstandard versions.
Ultra-low supply currents (1µA max for the MAX6326/
MAX6327/MAX6328) make these parts ideal for use in
portable equipment. All six devices are available in
space-saving SOT23 and SC70 packages.
Features
o
Ultra-Low 1µA (max) Supply Current
(MAX6326/MAX6327/MAX6328)
o
Precision Monitoring of 2.5V, 3V, 3.3V, and 5V
Power-Supply Voltages
o
Reset Thresholds Available from 2.2V to 4.63V
o
Fully Specified Over Temperature
o
100ms (min) Power-On Reset Pulse Width
o
Low Cost
o
Available in Three Versions: Push-Pull
RESET,
Push-Pull RESET, and Open-Drain
RESET
o
Power-Supply Transient Immunity
o
No External Components
o
3-Pin SC70/SOT23 Packages
o
Pin Compatible with MAX803/MAX809/MAX810
MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/MAX6348
Ordering Information
PART
MAX6326XR_
_-T
MAX6326UR_ _-T
MAX6327XR_
_-T
MAX6327UR_ _-T
MAX6328XR_
_-T
MAX6328UR_ _-T
MAX6346XR_
_-T
MAX6346UR_ _-T
MAX6347XR_
_-T
MAX6347UR_ _-T
MAX6348XR_
_-T
MAX6348UR_ _-T
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
3 SC70-3
3 SOT23-3
Applications
Computers
Controllers
Critical µP and µC
Power Monitoring
Intelligent Instruments
Automotive
Portable/Battery-Powered
Equipment
Pin Configuration
TOP VIEW
GND
1
MAX6326
MAX6327
MAX6328
MAX6346
MAX6347
MAX6348
(RESET) RESET
2
3
V
CC
†The
MAX6326/MAX6327/MAX6328/MAX6346/MAX6347/
MAX6348 are available in factory-set V
CC
reset thresholds from
2.2V to 4.63V, in approximately 0.1V increments. Choose the
desired reset-threshold suffix from Table 1 and insert it in the
blank spaces following “R.” There are 21 standard versions with
a required order increment of 2500 pieces. Sample stock is gen-
erally held on the standard versions only (see the Selector
Guide). Required order increment is 10,000 pieces for nonstan-
dard versions (Table 2). Contact factory for availability. All
devices available in tape-and-reel only.
Selector Guide appears at end of data sheet.
SOT23-3/SC70-3
( ) ARE FOR THE MAX6327/MAX6347.
________________________________________________________________
Maxim Integrated Products
1
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.
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