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