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MAX6723AUTTFD3 View Datasheet(PDF) - Maxim Integrated

Part NameMAX6723AUTTFD3 MaximIC
Maxim Integrated MaximIC
DescriptionDual/Triple, Ultra-Low-Voltage, SOT23 µP Supervisory Circuits
MAX6723AUTTFD3 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)
PIN
M A X6 7 1 5A /
M A X6 7 1 6A
MAX6717A/ MAX6719A/
MAX6718A MAX6720A
M A X6 7 2 1A /
M A X6 7 2 2A
MAX6723A/ MAX6725A/
MAX6724A MAX6726A
MAX6728A/
MAX6727A MAX6729A/
MAX6797A
7
4
4
NAME
PFI
PFO
RST
FUNCTION
Power-Fail Voltage
Monitor Input. High-
impedance input for
internal power-fail monitor
comparator. Connect PFI
to an external resistor-
divider network to set the
power-fail threshold
voltage (0.626V typical
internal reference
voltage). Connect to GND,
VCC1, or VCC2 if not used.
Active-Low Power-Fail
Monitor Output, Open-
Drain or Push-Pull. PFO is
asserted low when PFI is
less than 0.626V. PFO
deasserts without a reset
timeout period. Open-
drain outputs require an
external pullup resistor.
Push-pull outputs are
referenced to VCC1.
Active-High Reset Output,
Open-Drain or Push-Pull.
RST changes from low to
high when VCC1 or VCC2
drops below selected
reset thresholds, RSTIN is
below threshold, MR is
pulled low, or the
watchdog triggers a reset.
RST remains HIGH for the
reset timeout period after
VCC1/VCC2/RSTIN exceed
the device reset
thresholds, MR goes low
to high, or the watchdog
triggers a reset. Open-
drain outputs require an
external pullup resistor.
Push-pull outputs are
referenced to VCC1.
_______________________________________________________________________________________ 9
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