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ManualsBrandsMAXIM INTEGRATED ManualsIntegrated Circuits (ICs)Timer IC t- real time clock Clock/calendar EDIP 24
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DS1685/DS1687 3V/5V Real-Time Clocks
31 of 34
POWER-UP CONDITION—5V
POWER-DOWN CONDITION—5V
CS
V
IH
t
REC
4.5V
4.25V
4.0V
V
CC
POWER FAIL
t
R
POWER FAIL
V
CC
CS
V
IH
t
PF
t
F
4.5V
4.25V
4.0V
t
FB
3.0V