參數資料
型號: DS1742-100
英文描述: Y2KC Nonvolatile Timekeeping RAM
中文描述: Y2KC非易失內存時鐘
文件頁數: 5/12頁
文件大?。?/td> 163K
代理商: DS1742-100
DS1742
5 of 12
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +6.0V
0
°
C to 70
°
C
-20
°
C to +70
°
C
See J-STD-020A Specification (See Note 7)
* 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
Temperature
0°C to +70°C
V
CC
3.3V
±
10% or 5V
±
10%
RECOMMENDED DC OPERATING CONDITIONS
(Over the Operating Range)
PARAMETER
SYMBOL
MIN
Logic 1 Voltage All Inputs
V
CC
= 5V
±
10%
V
IH
2.2
V
CC
= 3.3V
±
10%
V
IH
2.0
Logic 0 Voltage All Inputs
V
CC
= 5V
±
10%
V
IL
-0.3
V
CC
= 3.3V
±
10%
V
IL
-0.3
TYP
MAX
UNITS
NOTES
V
CC
+0.3V
V
CC
+0.3V
V
V
1
1
0.8
0.6
V
V
1
1
DC ELECTRICAL CHARACTERISTICS
(Over the Operating Range; V
CC
= 5.0V
±
10%)
SYMBOL
MIN
TYP
I
CC
15
I
CC1
1
I
CC2
1
PARAMETER
Active Supply Current
TTL Standby Current (
CE
=V
IH
)
CMOS Standby Current
(
CE
=
V
CC
- 0.2V)
Input Leakage Current
(any input)
Output Leakage Current
(any output)
Output Logic 1 Voltage
(I
OUT
= -1.0 mA)
Output Logic 0 Voltage
(I
OUT
= +2.1 mA)
Write Protection Voltage
Battery Switch-over Voltage
MAX
50
3
3
UNITS
mA
mA
mA
NOTES
2, 3
2, 3
2, 3
I
IL
-1
+1
μ
A
I
OL
-1
+1
μ
A
V
OH
2.4
1
V
OL
V
PF
V
SO
0.4
4.50
1
1
4.25
V
V
BAT
1, 4
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