MAX6389XS17D4-T 查看數據表（PDF） - Maxim Integrated
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MAX6389XS17D4-T Datasheet PDF : 10 Pages
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SC70/µDFN, Single/Dual Low-Voltage,
Low-Power µP Reset Circuits
Pin Description
µDFN
PIN
3-PIN SC70
4-PIN SC70
MAX6381/
MAX6383
MAX6382
MAX6384/
MAX6386/
MAX6390
MAX6385
MAX6387/
MAX689
MAX6388
NAME
1
(MAX6382/
MAX6385/
MAX6388)
2
—
2
—
2
RESET
1
(MAX6381/
MAX6383/
MAX6384/
2
—
2
—
2
—
RESET
MAX6386/
MAX6387/
MAX6390)
2, 3, 5
(MAX6381/
MAX6382/
MAX6383)
—
—
—
—
—
—
N.C.
2, 5
(MAX6384–
MAX6390)
3
(MAX6384/
MAX6385/ —
—
3
3
—
—
MR
MAX6386/
MAX6390)
3
(MAX6387/ —
—
—
—
3
3
RESET
MAX6388/
IN
MAX6389)
4
(MAX6381– 3
3
4
4
4
4
VCC
MAX6390)
6
(MAX6381– 1
1
1
1
1
1
GND
MAX6390)
FUNCTION
Active-High Push-Pull Reset Output.
RESET changes from low to high when
any monitored voltage (VCC or
VRESETIN) drops below the reset
threshold or MR is pulled low. RESET
remains high for the reset timeout
period after monitored voltages exceed
the reset thresholds or MR is released.
Active-Low Open-Drain/Push-Pull Reset
Output. RESET changes from high to low
when any monitored voltage (VCC or
VRESETIN) drops below the reset threshold
or MR is pulled low. RESET remains low for
the reset timeout period after the monitored
voltages exceed the reset thresholds or MR
is released. Open-drain requires an
external pullup resistor.
No Connection. Not Internally
connected.
Active-Low Manual Reset Input. Drive
low to force a reset. Reset remains
active as long as MR is low and for the
reset timeout period after MR is
released. Leave unconnected or
connect to VCC if unused. MR has an
internal 63kΩ (1.56kΩ for MAX6390)
pullup resistor to VCC.
Auxiliary Reset Input. High-impedance
input to the auxiliary reset comparator.
Connect RESET IN to the center point of
an external resistor voltage-divider
network to set the reset threshold voltage.
Reset asserts when either VCC or RESET
IN falls below its threshold voltage.
Supply Voltage for the device and input
for fixed VCC reset threshold monitor.
Ground
5
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