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MAX6723AUTTDD4-T View Datasheet(PDF) - Maxim Integrated

Part NameMAX6723AUTTDD4-T MaximIC
Maxim Integrated MaximIC
DescriptionDual/Triple, Ultra-Low-Voltage, SOT23 µP Supervisory Circuits
MAX6723AUTTDD4-T Datasheet PDF : 18 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
Dual/Triple, Ultra-Low-Voltage, SOT23 µP
Supervisory Circuits
Pin Description (continued)
PI N
MAX6728A/
MAX6715A/ MAX6717A/ MAX6719A/ MAX6721A/ MAX6723A/ MAX6725A/ MAX6727A MAX6729A/
MAX6716A MAX6718A MAX6720A MAX6722A MAX6724A MAX6726A
MAX6797A
5
3
3
3
3
5
5
7
7
NAME
WDI
RSTIN
FUNCTION
Watchdog Input. If WDI
remains high or low for
longer than the watchdog
timeout period, the internal
watchdog timer runs out
and the reset output
asserts for the reset
timeout period. The
internal watchdog timer
clears whenever a reset is
asserted or WDI sees a
rising or falling edge. The
watchdog has a long
startup period (35s min)
after each reset event and
a short watchdog timeout
period (1.12s min) after
the first valid WDI
transition. Leave WDI
unconnected to disable
the watchdog timer. The
WDI unconnected-state
detector uses a small
200nA current source.
Therefore, do not connect
WDI to anything that will
source more than 50nA.
Undervoltage Reset
Comparator Input. High-
impedance input for
adjustable reset monitor.
The reset output is
asserted when RSTIN falls
below the 0.626V internal
reference voltage. Set the
monitored voltage reset
threshold with an external
resistor-divider network.
Connect RSTIN to VCC1
or VCC2 if not used.
8 _______________________________________________________________________________________
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