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MAX709LCSA+T

Description
supervisory circuits power-supply monitor w/reset
CategoryPower/power management    The power supply circuit   
File Size174KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric View All

MAX709LCSA+T Overview

supervisory circuits power-supply monitor w/reset

MAX709LCSA+T Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMaxim
Parts packaging codeSOIC
package instructionSOP,
Contacts8
Reach Compliance Codecompli
ECCN codeEAR99
Factory Lead Time6 weeks
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY SUPPORT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.9 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature70 °C
Minimum operating temperature
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height1.75 mm
Maximum supply current (Isup)0.15 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)1 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width3.9 mm
19-0136; Rev. 2; 12/05
Power-Supply Monitor with Reset
MAX709
_______________General Description
The MAX709 provides a system reset during power-up,
power-down, and brownout conditions. When V
CC
falls
below the reset threshold, RESET goes low and holds
the µP in reset for 140ms min after V
CC
rises above the
threshold.
The RESET output is guaranteed to be in the correct
state with V
CC
down to 1V. The MAX709 provides
excellent circuit reliability and low cost by eliminating
external components and adjustments when used with
+5V, +3.3V, or +3V powered systems. The MAX709 is
available 8-pin DIP, µMAX, and SO packages.
___________________________Features
+5V, +3.3V, and +3V Versions
No External Components
Low Cost
Precise Power-Down Reset Threshold
140ms Min Power-On Reset Delay
Immune to Short Negative V
CC
Transients
8-Pin DIP, µMAX, and SO Packages
Low Supply Current: 35µA - MAX709R/S/T
65µA - MAX709L/M
______________Ordering Information
PART
MAX709_CPA
MAX709_CUA
MAX709_CSA
MAX709_C/D
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 Plastic DIP
8 µMAX
8 SO
Dice
8 Plastic DIP
8 µMAX
8 SO
_______________________Applications
Minimum Component Count,
Low-Cost Processor Systems
MAX709_EPA
MAX709_EUA
MAX709_ESA
Devices are available in both leaded and lead-free packaging.
Specify lead free by adding the + symbol at the end of the part
number when ordering.
*Dice
are specified at T
A
= +25°C, DC parameters only.
Note:
This part offers a choice of five different reset threshold
voltages. Select the letter corresponding to the desired
nominal reset threshold voltage, and insert it into the
blank to complete the part number.
RESET THRESHOLD
SUFFIX
VOLTAGE (V)
4.65
4.40
3.08
2.93
2.63
__________Typical Operating Circuit
L
M
T
S
R
V
CC
V
CC
µP
RESET
__________________Pin Configuration
TOP VIEW
N.C.
V
CC
GND
MAX709
RESET
1
2
3
4
DIP/SO/µMAX
MAX709
8
7
6
5
N.C.
RESET
N.C.
N.C.
GND
GND
N.C.
________________________________________________________________ Maxim Integrated Products
1
Call toll free 1-800-998-8800 for free samples or literature.
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