參數(shù)資料
型號: DS17485
廠商: Maxim Integrated Products, Inc.
英文描述: 3 Volt/5 Volt Real Time Clock(3V/5V實時時鐘)
文件頁數(shù): 19/32頁
文件大?。?/td> 236K
代理商: DS17485
DS17485/DS17487
030598 19/32
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature DS17485
Storage Temperature DS17487
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–55
°
C to +125
°
C
–40
°
C to +70
°
C
260
°
C for 10 seconds (See Note 13)
* 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
(0
°
C to 70
°
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
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
3.3
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
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
=5.0V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Average V
CC
Power Supply
Current
I
CC1
25
50
mA
2, 3
CMOS Standby Current
(CS=V
CC
–0.2V)
I
CC2
1
3
mA
2, 3
Input Leakage Current (any input)
I
IL
–1
+1
μ
A
Output Leakage Current
I
OL
–1
+1
μ
A
6
Output Logic 1 Voltage
(I
OUT
= –1.0 mA)
V
OH
2.4
V
Output Logic 0 Voltage
(I
OUT
= +2.1 mA)
V
OL
0.4
V
Power Fail Trip Point
V
PF
4.25
4.37
4.5
V
4
Battery Switch Voltage
V
SW
V
BAT
, V
BAUX
V
9
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DS1748555 制造商:Maxim Integrated Products 功能描述: