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參數(shù)資料
| 型號： | DS1647P |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | XO, clock |
| 英文描述： | Nonvolatile Timekeeping RAM(非易失性計時RAM) |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, DMA34 |
| 封裝： | POWERCAP MODULE-34 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 131K |
| 代理商： | DS1647P |
DS1647/DS1647P
031798 5/12
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 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.
RECOMMENDED DC OPERATING CONDITIONS
(0
°
C to +70
°
C)
UNITS
PARAMETER
SYMBOL
MIN
TYP
MAX
NOTES
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
DC ELECTRICAL CHARACTERISTICS
(0
°
C
≤
t
A
≤
+70
°
C; V
CC
=5.0V
±
10%)
TYP
MAX
PARAMETER
SYMBOL
MIN
UNITS
NOTES
Average V
CC
Power Supply
Current
I
CC1
95
mA
2, 3
TTL Standby Current (CE = V
IH
)
I
CC2
3
6
mA
2, 3
CMOS Standby Current
(CE=V
CC
–0.2V)
I
CC3
2
4.0
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
Write Protection Voltage
V
PF
4.0
4.25
4.5
V
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