參數(shù)資料
型號: DS17887-5
英文描述: Real-Time Clock
中文描述: 實時時鐘
文件頁數(shù): 24/38頁
文件大?。?/td> 515K
代理商: DS17887-5
DS17885/DS17887
24 of 38
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Storage Temperature
Soldering Temperature
-0.3V to +7.0V
-40°C to +85°C
260°C for 10 seconds (DIP) See Note 13
See IPC/JEDEC Standard J-STD-020A for
Surface Mount Devices
Operating Range
Range
Commercial
Industrial
Temperature
0
°
C to +70
°
C
-40
°
C to +85
°
C
V
CC
3V
±
10% or 5V
±
10%
3V
±
10% or 5V
±
10%
* 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.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
Over the operating range
MAX
UNITS
SYMBOL
MIN
TYP
NOTES
Power Supply Voltage 5-Volt
Operation
V
CC
4.5
5.0
5.5
V
1
Power Supply Voltage 3-Volt
Operation
V
CC
2.7
3.0
3.7
V
1
Input Logic 1
V
IH
2.3
V
CC
+0.3
V
1
Input Logic 0
V
IL
-0.3
0.6
V
1
Battery Voltage
V
BAT
2.5
3.7
V
1
Auxiliary Battery Voltage;
V
CC
=5.0V
V
BAUX
2.5
5.2
V
1
Auxiliary Battery Voltage;
V
CC
=3.0V
V
BAUX
2.5
3.7
V
1
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