DS1337 I2C Serial Real-Time Clock
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground…………………………………………………………...…-0.3V to +6.0V
Operating Temperature Range (Noncondensing)………………………………………………………….-40°C to +85°C
Storage Temperature Range………………………………………………………………………………..-55°C to +125°C
Soldering Temperature…………………………………………………………See IPC/JEDEC J-STD-020 Specification
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.
RECOMMENDED DC OPERATING CONDITIONS
(TA = -40°C to +85°C)
PARAMETER
VCC Supply Voltage
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VCC
Full operation
1.8
3.3
5.5
V
VCCT
Timekeeping
SCL, SDA
1.3
1.8
VCC + 0.3
5.5
V
V
V
0.7 x VCC
Logic 1
Logic 0
VIH
INTA, SQW/INTB
VIL
-0.3
+0.3 x VCC
DC ELECTRICAL CHARACTERISTICS
(VCC = 1.8V to 5.5V, TA = -40°C to +85°C.) (Note 1)
PARAMETER
Input Leakage
SYMBOL
CONDITIONS
(Note 2)
MIN
-1
TYP
MAX
+1
UNITS
µA
ILI
I/O Leakage
ILO
(Note 3)
-1
+1
µA
Logic 0 Output (VOL = 0.4V)
Active Supply Current
Standby Current
IOL
(Note 3)
3
mA
µA
ICCA
ICCS
(Note 4)
150
1.5
(Notes 5, 6)
µA
DC ELECTRICAL CHARACTERISTICS
(VCC = 1.3V to 1.8V, TA = -40°C to +85°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Timekeeping Current
(Oscillator Enabled)
ICCTOSC
(Notes 5, 7, 8, 9)
425
600
nA
Data-Retention Current
(Oscillator Disabled)
ICCTDDR
(Notes 5, 9)
100
nA
2 of 15
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
