DS17285 Datasheet, PDF (24/38 Pages) Dallas Semiconductor – 3V/5V Real-Time Clock

ABSOLUTE MAXIMUM RATINGS*
Voltage Range on Any Pin Relative to Ground
Storage Temperature Range
Soldering Temperature Range
DS17285/DS17287
-0.3V to +7.0V
-40°C to +85°C
+260°C for 10 seconds (DIP) (Note 13)
See IPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
* This is a stress rating only and functional operation of the device at these or any other conditions
beyond those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time can affect reliability.
OPERATING RANGE
RANGE
Commercial
Industrial
TEMP. RANGE (°C)
0 to +70
-40 to +85
V_CC
3V ±10% or 5V ±10%
3V ±10% or 5V ±10%
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL MIN TYP
Power Supply Voltage 5V
Operation
V_CC
4.5
5.0
Power Supply Voltage 3V
Operation
V_CC
2.7
3.0
Input Logic 1
5V ±10%
3V ±10%
V_IH
2.2
2.0
Input Logic 0
V_IL
-0.3
Battery Voltage
V_BAT
2.5
Auxiliary Battery Voltage;
V_CC = 5.0V
V_BAUX
2.5
Auxiliary Battery Voltage;
V_CC = 3.0V
V_BAUX
2.5
Over the operating range
MAX UNITS NOTES
5.5
V
3.7
V
V_CC + 0.3
V
0.6
V
3.7
V
5.2
V
3.7
V
24 of 38