IDT1339
REAL-TIME CLOCK WITH SERIAL I2C INTERFACE
RTC
DC Electrical Characteristics
Unless stated otherwise, VCC = MIN to MAX, Ambient Temperature -40 to +85°C, Note 1
Parameter
Input Leakage
Symbol
ILI
Conditions
Note 2
Min.
Typ.
Max. Units
1
1
3
µA
µA
I/O Leakage
ILO
Note 3
Logic 0 Out
VCC > 2.0 V
IOL
IDT1339-2, Note 3
mA
Logic 0 Out
VOL = 0.4; VCC > VCC Min.
VCC > 2.0 V
IOL
IOL
IOL
IDT1339-31,
Note 3
3
3
mA
mA
µA
Logic 0 Out
VOL = 0.2 V (VCC);
1.8 V < VCC < 2.0 V
Note 3
Note 3
Logic 0 Out
VOL = 0.2 V (VCC);
1.3 V < VCC < 1.8 V
250
VCC Active Current
ICCA
ICCS
Note 4
450
150
200
µA
µA
VCC Standby Current, Note 5
VCC < 3.63 V
3.63 V < VCC < 5.5 V
Note 6
80
Trickle-charger Resistor Register
10h = A5h, VCC = Typ, VBACKUP = 0V
R1
R2
250
2000
4000
25
Ω
Ω
Trickle-charger Resistor Register
10h = A6h, VCC = Typ, VBACKUP = 0V
Trickle-charger Resistor Register
10h = A7h, VCC = Typ, VBACKUP = 0V
R3
Ω
VBACKUP Leakage Current
IBKLKG
100
nA
DC Electrical Characteristics
Unless stated otherwise, VCC = 0V, Ambient Temperature -40 to +85° C, Note 1
Parameter
Symbol
Conditions
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
IBKOSC Note 7
IBKSQW Note 7
1000
100
nA
IBKDR
Note 7
nA
IDT® REAL-TIME CLOCK WITH SERIAL I2C INTERFACE
16
IDT1339
REV K 032910
IDT [ INTEGRATED DEVICE TECHNOLOGY ]
