MAX7705C/D MAXIM [Maxim Integrated Products], MAX7705C/D Datasheet

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MAX7705C/D

Manufacturer Part Number
MAX7705C/D
Description
?P Power-Supply Monitor with Reset
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet
In applications with microprocessors (µPs) that have a
RESET input, the MAX7705 is functionally and socket
compatible with the TL7705, but requires no external
components. It provides power-supply glitch immunity
and a guaranteed power-up reset delay, while typically
consuming 1/27
The MAX7705 monitors the power supply in µP and digital
systems. The RESET output is valid for V
The device offers excellent circuit reliability and low cost
by eliminating external components and adjustments.
A system reset is provided during power-up, power-
down, and brownout conditions. When V
reset threshold, RESET is low and holds the µP in reset.
RESET will go high 280ms after V
reset threshold. The MAX7705 is available in 8-pin DIP
and SO packages.
________________________Applications
19-0151; Rev 0; 6/93
Call toll free 1-800-998-8800 for free samples or literature.
No. of External
Components Required
Operating Supply
Current
Power-Supply Glitch
Immunity
Guaranteed Minimum
Reset Delay
_______________General Description
__________________Pin Configuration
TOP VIEW
Minimum Component Count, Low-Cost
FEATURE
Processor Systems
th
N.C.
N.C.
GND
N.C.
the power from a +5V supply.
________________________________________________________________ Maxim Integrated Products
1
2
3
4
+5V
+3V
MAX7705
DIP/SO
MAX7705
65µA
35µA
Yes
Yes
0
CC
8
7
6
5
V
N.C.
N.C.
RESET
rises above the
CC
CC
CC
is below the
down to 1V.
TL7705
1.8mA
1.8mA
No
No
3
µP Power-Supply Monitor
____________________________Features
* Contact factory for dice specifications.
__________Typical Operating Circuit
______________Ordering Information
MAX7705CPA
MAX7705CSA
MAX7705C/D
MAX7705EPA
MAX7705ESA
No External Components
Low Cost
Precise Reset Threshold
280ms Power-On Reset Delay
8-Pin DIP and SO Packages
*
* THE MAX7705 ELIMINATES THREE EXTERNAL
COMPONENTS REQUIRED BY THE TL7705.
PART
*
1
2
3
4
N.C.
N.C.
N.C.
GND
MAX7705
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
RESET
N.C.
N.C.
V
CC
with Reset
8
7
6
5
*
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
PIN-PACKAGE
RESET
GND
V CC
P
1

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