參數(shù)資料
型號(hào): DS1384
英文描述: Watchdog Timekeeping Controller
中文描述: 看門狗實(shí)時(shí)時(shí)鐘控制器
文件頁(yè)數(shù): 11/17頁(yè)
文件大?。?/td> 307K
代理商: DS1384
DS1384
11 of 17
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
See J-STD-020A Specification
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
Supply Voltage
Logic 1 Voltage All Inputs
Logic 0 Voltage All Inputs
Battery Input Voltage
(0°C to 70°C)
UNITS
V
V
V
V
MIN
4.5
2.0
-0.3
2.4
TYP
MAX
5.5
V
CC
+0.3
0.8
4.0V
NOTES
1
V
CC
V
IH
V
IL
V
BAT
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Average VCC Power
Supply Current
TTL Standby Current
(
CE
= V
IH
)
CMOS Standby Current
(CE V
CC
-0.2V)
Input Leakage Current
(any input)
Output Leakage Current
Output Logic 1 Voltage
(I
OH
= -1.0 mA)
Output Logic 0 Voltage
(I
OH
= +2.1 mA)
Output Voltage
(0°C to 70°C; V
CC
= 5V ± 10%)
MAX
UNITS
15
mA
SYMBOL
I
CC1
MIN
TYP
7
NOTES
2, 3
I
CC2
2
5
mA
2, 3
I
CC3
1
3
mA
2, 3
I
IL
1
+1
μA
I
IO
V
OH
-1
2.4
+1
μA
V
V
OL
0.4
V
V
CCO1
V
CC
-
0.3
V
4
Output Current
Write Protection Voltage
Output Voltage
I
CCO1
V
PF
V
CCO2
85
4.5
mA
V
V
4
5
6
4.0
V
BAT
-0.3
4.25
Output Current
Battery Leakage OSC ON
Battery Leakage OSC OFF
Switch Over Voltage
I
CCO2
I
BAT1
I
BAT2
V
SO
100
500
100
μA
nA
nA
V
6
V
BAT1
,
V
BAT2
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