MAX6713 MAXIM [Maxim Integrated Products], MAX6713 Datasheet

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MAX6713

Manufacturer Part Number
MAX6713
Description
4-Pin SC70 Microprocessor Reset Circuits with Manual Reset Input
Manufacturer
MAXIM [Maxim Integrated Products]
Datasheet

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The MAX6711/MAX6712/MAX6713 are microprocessor
(µP) supervisory circuits used to monitor the power
supplies in µP and digital systems. They provide excel-
lent circuit reliability and low cost by eliminating exter-
nal components and adjustments when used with
+5.0V, +3.3V, +3.0V, or +2.5V-powered circuits. They
also provide a debounced manual reset input.
These circuits assert a reset signal whenever the V
supply voltage declines below a preset threshold or
whenever manual reset is asserted. Reset remains
asserted for at least 140ms after V
the reset threshold or when manual reset is deasserted.
Reset thresholds suitable for operation with a variety of
supply voltages are available.
The MAX6713 has an open-drain output stage, while
the MAX6711/MAX6712 have push-pull outputs. The
MAX6713’s open-drain RESET output requires a pull-up
resistor that can be connected to a voltage higher than
V
output, while the MAX6712 has an active-high reset out-
put. The reset comparator is designed to ignore fast
transients on V
be in the correct logic state for V
Low supply current makes the MAX6711/MAX6712/
MAX6713 ideal for use in portable equipment. These
devices are available in a 4-pin SC70 package.
19-1623; Rev 0; 1/00
For free samples and the latest literature: www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
CC
PUSHBUTTON
SWITCH
. The MAX6711/MAX6713 have an active-low reset
*MAX6713 ONLY
Computers
Controllers
Intelligent Instruments
Critical µP and µC Power Monitoring
Portable/Battery-Powered Equipment
Automotive
V
CC
MR
4-Pin SC70 Microprocessor Reset Circuits
CC
Typical Operating Circuit
MAX6711
MAX6713
GND
V
________________________________________________________________ Maxim Integrated Products
, and the outputs are guaranteed to
CC
RESET
General Description
R
PULL-UP
CC
Applications
CC
*
down to 1V.
RESET
INPUT
has risen above
GND
V
µP
CC
CC
with Manual Reset Input
o Precision Monitoring of 2.5V, 3.0V, 3.3V, and 5.0V
o Fully Specified Over Temperature
o Available in Three Output Configurations
o 140ms min Power-On Reset Pulse Width
o Manual Reset Input
o 12µA Supply Current
o Guaranteed Reset Valid to V
o Power-Supply Transient Immunity
o No External Components
o 4-Pin SC70 Package
____________________________Features
Note: These parts are offered in 2.5k or 10k reels and must be
ordered in 2.5k or 10k increments. Order MAX6711_EXS-T for
2.5k reels and MAX6711_EXS-T10 for 10k reels. Insert the
desired suffix letter from the Selector Guide into the blank to
complete the part number.
Selector Guide appears at end of data sheet.
MAX6711_EXS-T
MAX6711_EXS-T10
MAX6712_EXS-T
MAX6712_EXS-T10
MAX6713_EXS-T
MAX6713_EXS-T10
Power-Supply Voltages
( ) ARE FOR MAX6712.
TOP VIEW
Push-Pull RESET Output (MAX6711)
Push-Pull RESET Output (MAX6712)
Open-Drain RESET Output (MAX6713)
PART
RESET (RESET)
GND
Ordering Information
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
-40°C to +125°C
1
2
TEMP. RANGE
MAX6711
MAX6712
MAX6713
SC70-4
Pin Configuration
CC
= +1V
4
3
V
MR
CC
PIN-PACKAGE
4 SC70-4
4 SC70-4
4 SC70-4
4 SC70-4
4 SC70-4
4 SC70-4
1

Related parts for MAX6713

MAX6713 Summary of contents

Page 1

... Reset thresholds suitable for operation with a variety of supply voltages are available. The MAX6713 has an open-drain output stage, while the MAX6711/MAX6712 have push-pull outputs. The MAX6713’s open-drain RESET output requires a pull-up resistor that can be connected to a voltage higher than V ...

Page 2

SC70 Microprocessor Reset Circuits with Manual Reset Input ABSOLUTE MAXIMUM RATINGS Terminal Voltage (with respect to GND) V ........................................................................-0.3V to +6.0V CC RESET, RESET (push-pull) .........................-0. RESET (open drain)...............................................-0.3V to +6.0V MR ..............................................................-0. ...

Page 3

... V MR Input Threshold V MR Pull-Up Resistance MR Minimum Pulse Width MR Glitch Immunity MR to Reset Delay Note 1: Production testing done Note 2: RESET output for MAX6711/MAX6713; RESET output for MAX6712. _______________________________________________________________________________________ with Manual Reset Input = +2.5V for Z version, and T = +25°C.) (Note CONDITIONS V ...

Page 4

SC70 Microprocessor Reset Circuits with Manual Reset Input (V = full range -40°C to +125°C, unless otherwise noted. Typical values are T/S versions +3V for R version SUPPLY ...

Page 5

... MAX6712/MAX6713 are relatively immune to short-dura- tion negative-going V Figure 1 shows typical transient duration vs. reset com- parator overdrive, for which the MAX6711/MAX6712/ MAX6713 do not generate a reset pulse. The graph was generated using a negative-going pulse applied to V Reset Output starting 0.5V above the actual reset threshold and end- ing below it by the magnitude indicated (reset compara- tor overdrive) ...

Page 6

... CC Interfacing to µPs with Bidirectional Reset Pins Since the RESET output on the MAX6713 is open-drain, this device interfaces easily with µPs that have bidirec- tional reset pins, such as the Motorola 68HC11. Connecting the µP supervisor’s RESET output directly to the µP’s RESET pin with a single pull-up resistor allows either device to assert reset (Figure 3) ...

Page 7

... MAX6712M 4.38 MAX6712T 3.08 MAX6712S 2.93 MAX6712R 2.63 MAX6712Z 2.32 MAX6713L 4.63 MAX6713M 4.38 MAX6713T 3.08 MAX6713S 2.93 MAX6713R 2.63 MAX6713Z 2.32 _______________________________________________________________________________________ with Manual Reset Input OUTPUT TYPE Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET Push-Pull RESET ...

Page 8

SC70 Microprocessor Reset Circuits with Manual Reset Input Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the ...

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