MAX6705ALKA+T Maxim Integrated Products, MAX6705ALKA+T Datasheet - Page 5

• Manufacturer Part Number: MAX6705ALKA+T
• Description: IC SUPERVISOR MPU LV SOT23-8
• Manufacturer: Maxim Integrated Products
• Type: Multi-Voltage Supervisorr

Specifications of MAX6705ALKA+T

• Number Of Voltages Monitored: 2
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 140 ms Minimum
• Voltage - Threshold: 4.63V, Adj
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Voltage, SOT23 µP Supervisors with Power-
MAX6701(A)
MAX6702(A)
MAX6703(A)
Fail In/Out, Manual Reset, and Watchdog Timer
—
—
—
1
2
3
6
7
MAX6704
—
_______________________________________________________________________________________
1
2
3
4
5
6
7
PIN
MAX6705(A)
MAX6706(A)
MAX6707(A)
—
1
2
3
4
5
6
7
MAX6708
—
1
2
3
4
5
6
7
RESET
NAME
GND
N.C.
V
PFO
WDI
MR
PFI
CC
Active-Low, Manual Reset Input, Internal 50kΩ Pullup to V
Pull low to force a reset. Reset remains active as long as MR is
low and the reset timeout period after MR goes high. Leave
unconnected or connect to V
when MR is low ( M AX 6701( A) /M AX 6702( A) /M AX 6703( A) /
M AX 6705( A) / M AX 6706( A) /M AX 6707( A) onl y) .
S up p l y V ol tag e for M AX 6701–M AX 6708 and Inp ut for P r i m ar y
Reset Thr eshol d M oni tor . P ush- p ul l outp uts ar e p ow er ed b y V
Ground
Power-Fail Voltage Monitor Input. High-impedance input for
internal power-fail comparator. Connect this pin to an external
resistive-divider network to set the reset threshold voltage;
0.62V (typ) threshold. Connect to GND or V
Power-Fail Monitor Output. Open drain or push-pull active low.
PFO goes low when PFI is less than 0.62V.
Watchd og Inp ut. If WD I r em ai ns hi g h or l ow for l ong er than the
w atchd og ti m eout p er i od , the i nter nal w atchd og ti m er r uns out and
WDO i s asser ted . WDO i s asser ted l ow after each w atchd og
over fl ow and r em ai ns l ow unti l the w atchd og ti m er i s cl ear ed ( the
r eset outp ut i s not affected ) . The i nter nal w atchd og ti m er cl ear s
w henever a V
r eset i s asser ted , or WD I sees a r i si ng or fal l i ng ed g e. The
w atchd og ti m er r em ai ns cl ear ed unti l the r eset outp ut i s
d easser ted . On the M AX 6704, RES ET p ul se asser ts for the r eset
ti m eout p er i od after each w atchd og ti m eout over fl ow . The
w atchd og ti m er cannot b e d i sab l ed .
No Connection. Not internally connected.
Acti ve- Low Reset Outp ut ( Op en D r ai n or P ush- P ul l ) . RES ET
chang es fr om hi g h to l ow w hen the V
sel ected r eset thr eshol d ( or RS T_IN 1/ RS T_IN 2 for the
M AX 6701( A) /M AX 6702( A) /M AX 6703( A) , MR i s p ul l ed l ow , or the
w atchd og tr i g g er s a r eset ( M AX 6704 onl y) . RES ET r em ai ns l ow for
the r eset ti m eout p er i od after the r eset cond i ti ons ar e ter m i nated .
C C
/RS T_IN 1/RS T_IN 2 r eset i s asser ted , the m anual
FUNCTION
CC
if unused. WDO deasserts
C C
Pin Description
i np ut d r op s b el ow the
CC
when not used.
CC
C C
.
.
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