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| DS1339 Datasheet, PDF (3/18 Pages) Dallas Semiconductor – Serial Real-Time Clock | |||
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DC ELECTRICAL CHARACTERISTICS (continued)
(VCC = MIN to MAX, TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
Trickle-Charger Resistor Register
10h = A5h, VCC = Typ, VBACKUP = 0V
Trickle-Charger Resistor Register
10h = A6h, VCC = Typ, VBACKUP = 0V
Trickle-Charger Resistor Register
10h = A7h, VCC = Typ, VBACKUP = 0V
VBACKUP Leakage Current
R1
R2
R3
IBKLKG
DS1339 I2C Serial Real-Time Clock
MIN
TYP
MAX UNITS
250
W
2000
W
4000
W
25
100
nA
DC ELECTRICAL CHARACTERISTICS
(VCC = 0V, TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
VBACKUP Current EOSC = 0, SQW Off
VBACKUP Current EOSC = 0, SQW On
VBACKUP Current EOSC = 1
IBKOSC
IBKSQW
IBKDR
(Note 6)
(Note 6)
(Note 6)
MIN
TYP
MAX UNITS
400
700
nA
600 1000
nA
10
100
nA
3 of 18
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