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参数资料
| 型号： | DS1384 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | XO, clock |
| 英文描述： | Watchdog Timekeeping Controller(看门狗计时器芯片) |
| 中文描述： | 1 TIMER(S), REAL TIME CLOCK, PQFP44 |
| 封装： | QFP-44 |
| 文件页数： | 9/15页 |
| 文件大小： | 130K |
| 代理商： | DS1384 |
DS1384
062598 9/15
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
*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
Supply Voltage
V
CC
4.5
5.0
5.5
V
1
Logic 1 Voltage All Inputs
V
IH
2.2
V
CC
+0.3
V
Logic 0 Voltage All Inputs
V
IL
–0.3
0.8
V
Battery Input Voltage
V
BAT
2.4
4.0
V
DC ELECTRICAL CHARACTERISTICS
(0
°
C to 70
°
C; V
CC
= 5V
±
10%)
MAX
UNITS
PARAMETER
SYMBOL
MIN
TYP
NOTES
Average V
CC
Power Supply
Current
I
CC1
7
15
mA
2, 3
TTL Standby Current
(CE = V
IH
, CE2 = V
IL
)
I
CC2
2
5
mA
2, 3
CMOS Standby Current
(CE=V
CC
–0.2V, CE2=GND+0.2V)
I
CC3
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
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
Output Voltage
V
CCO1
V
CC
–0.3
V
4
Output Current
I
CCO1
85
mA
4
Write Protection Voltage
V
PF
4.0
4.25
4.5
V
5
Output Voltage
V
CCO2
V
BAT
–0.3
V
6
Output Current
I
CCO2
100
μ
A
6
Battery Leakage OSC ON
I
BAT1
500
nA
Battery Leakage OSC OFF
I
BAT2
100
nA
Switch Over Voltage
V
SO
V
BAT1
,
V
BAT2
V
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