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DS1689 Datasheet, PDF (22/32 Pages) Dallas Semiconductor – 3-Volt/5-Volt Serialized Real-Time Clock with NV RAM Control
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Storage Temperature
Soldering Temperature
DS1689/DS1693
-0.3V to +7.0V
-40°C to +70°C
260°C for 10 seconds (See Note 18)
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 above
those indicated in the operation sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods of time may affect reliability.
OPERATING RANGE
Range
Commercial
Industrial
Temperature
0°C to +70°C
-40ºC to 85ºC
VCC
3V ± 10% or 5V ± 10%
3V ± 10% or 5V ± 10%
RECOMMENDED DC OPERATING CONDITIONS Over the operating range
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Power Supply Voltage 5-Volt Operation VCCI
4.5 5.0
5.5
V
1
Power Supply Voltage 3-Volt Operation VCCI
2.7 3.0
4.0
V
1
Input Logic 1
VIH
2.2
VCC+0.3 V
1
Input Logic 0
VIL
-0.3
0.6
V
1
Battery Voltage
VBAT
2.5
3.7
V
1
Auxiliary Battery Voltage
VBAUX
2.5
3.7
V
1
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