參數(shù)資料
型號(hào): DS1642-70
英文描述: Nonvolatile Timekeeping RAM
中文描述: 非易失性內(nèi)存時(shí)鐘
文件頁(yè)數(shù): 5/11頁(yè)
文件大?。?/td> 138K
代理商: DS1642-70
DS1642
5 of 11
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.3V to +7.0V
0
°
C to 70
°
C
–20
°
C to +70
°
C
260
°
C for 10 seconds (See Note 6)
* 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
SYMBOL
Logic 1 Voltage All Inputs
Logic 0 Voltage All Inputs
(0°C to 70°C)
UNITS
V
V
MIN
2.2
-0.3
TYP
MAX
V
CC
+0.3
0.8
NOTES
1
1
V
IH
V
IL
DC ELECTRICAL CHARACTERISTICS
(0°C < t
A
< 70°C; V
CC
(MAX) < V
CC
< V
CC
(MIN)
MIN
TYP
MAX
15
50
1
3
PARAMETER
Active Supply Current
TTL Standby Current
(
CE
= V
IH
)
CMOS Standby Current
(
CE
< V
CC
-0.2V)
Input Leakage Current
(any input)
I/O 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
SYMBOL
I
CC
I
CC1
UNITS
mA
mA
NOTES
2, 3
2, 3
I
CC2
1
3
mA
2, 3
I
IL
-1
+1
μA
I
OL
-1
+1
μA
V
OH
2.4
1
V
OL
0.4
1
V
PF
4.25
4.37
4.50
V
1
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