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MAX709LC-D-

Description
Supervisory Circuits
Categorysemiconductor    Power management   
File Size174KB,8 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX709LC-D- Overview

Supervisory Circuits

MAX709LC-D- Parametric

Parameter NameAttribute value
Product CategorySupervisory Circuits
ManufacturerMaxim
TypeVoltage Supervisory
Mounting StyleSMD/SMT
Package / CaseDie
Threshold Voltage3 V, 3.3 V, 5 V
Number of Inputs Monitored1 Input
Output TypeActive Low, Push-Pull
Manual ResetNo Manual Reset
Watchdog TimersNo Watchdog
Battery Backup SwitchingNo Backup
Reset Delay Time560 ms
Supply Voltage - Max5.5 V
Maximum Operating Temperature+ 70 C
Minimum Operating Temperature0 C
Chip Enable SignalsNo Chip Enable
Operating Supply Current150 uA
Overvoltage Threshold4.75 V
Power Fail DetectionNo
Supply Voltage - Min1 V
Undervoltage Threshold4.5 V
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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