Datasheet

DS1685/DS1687 3V/5V Real-Time Clocks
30 of 34
POWER-UP CONDITION—3V
POWER-DOWN CONDITION—3V
C
S
V
IH
t
REC
2.7V
2.6V
2.5V
V
CC
POWER FAIL
t
R
C
S
POWER FAIL
V
CC
V
IH
t
PF
t
F
2.7V
2.6V
2.5V