參數(shù)資料
型號: DS1387
英文描述: RAMified Real Time Clock 4K x 8
中文描述: 網(wǎng)狀實時時鐘4K的× 8
文件頁數(shù): 11/20頁
文件大?。?/td> 142K
代理商: DS1387
DS1385/DS1387
012496 11/20
ABSOLUTE MAXIMUM RATINGS*
Voltage on any Pin Relative to Ground
Operating Temperature
Storage Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
DS1387: –40
°
C to +70
°
C
DS1385: –55
°
C to +125
°
C
260
°
C for 10 seconds
Soldering Temperature
* 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)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Power Supply Voltage
V
CC
4.5
5.0
5.5
V
1
Input Logic 1
V
IH
2.2
V
CC
+0.3
V
1
Input Logic 0
V
IL
–0.3
+0.8
V
1
Battery Voltage
V
BAT
2.5
3.7
V
9
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C)
NOTES
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
Power Supply Current
I
CC1
35
50
mA
2
Standby Current CS, OER and
WER = V
CC
–0.3 volt
I
CC2
1
5.0
mA
6
Input Leakage
I
IL
–1.0
+1.0
μ
A
3
I/O Leakage
I
LO
–1.0
+1.0
μ
A
3
Output @ 2.4 volts
I
OH
–1.0
mA
1, 4
Output @ 0.4 volts
I
OL
2.0
mA
1
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