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參數(shù)資料
| 型號： | X1203 |
| 英文描述： | 2-Wire RTC(Real Time Clock)/Calendar/Alarm(實時時鐘/日歷/警報) |
| 中文描述： | 2線實時時鐘（實時時鐘）/日歷/鬧鐘（實時時鐘/日歷/警報） |
| 文件頁數(shù)： | 13/19頁 |
| 文件大?。?/td> | 84K |
| 代理商： | X1203 |
X1203
13
ABSOLUTE MAXIMUM RATINGS
Temperature Under Bias.................. -65C to +135C
Storage Temperature....................... -65C to +150C
Voltage on any pin with respect to ground-1.0V to 7.0V
DC Output Current .............................................5 mA
Lead Temperature (Soldering, 10 Seconds) ....300C
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and the functional operation
of the device at these or any other conditions above
those indicated in the operational sections of this
specification is not implied. Exposure to absolute max-
imum rating conditions for extended periods may
affect device reliability.
DC OPERATING CHARACTERISTICS
(temperature = -40
°
C TO +85
°
C, unless otherwise stated.)
Notes:
1:
The device enters the Program state 200nS after a stop ending a write operation and continues for t
WC
.
Periodically sampled and not 100% tested.
2:
3:
V
IL
= V
CC
x 0.1, V
IH
= V
CC
x 0.9, f
SCL
= 400KHz, SDA = Open
V
CC
= 0V.
4:
Symbol
Parameter
Min
Typ
Max
Unit
Notes
Vcc
Main Power Supply
2.7
5.5
V
V
BACK
V
CB
V
BC
I
CC1
Backup Power Supply
1.8
5.5
V
Switch to Backup Supply
V
CC
=
V
CC
=
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
V
CC
= 2.7V
V
CC
= 5.5V
V
BACK
= 1.8V
V
BACK
= 5.5V
V
CC
= 1.8V
V
CC
= 5.5V
V
BACK
-0.2
V
BACK
V
BACK
-0.1
V
BACK
+0.1
1.2
V
2:
Switch to Main Supply
2:
Supply Current
μ
A
μ
A
3:, 5:, 10:
1.7
I
CC2
Supply Current
(External crystal network)
3.8
5
2:, 3:, 5:, 11:
7.5
15
μ
A
I
CC3
Program Supply Current
(non-volatile)
1.5
mA
1:, 3:, 5:, 10:
3.0
mA
I
BACK1
Timekeeping Current
1.0
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
2:, 4:, 6:, 10:
1.5
I
BACK2
Timekeeping Current
(External crystal network)
1.6
3
2:, 4:, 6:, 11:
7.5
15
I
LI
I
LO
V
IL
Input Leakage Current
10
7:
Output Leakage Current
10
7:
Input LOW Voltage
-0.5
V
CC
x 0.3 or
V
BACK
x 0.3
V
CC
+ 0.5
V
BACK
+ 0.5
0.4
V
2:, 9:
V
IH
Input HIGH Voltage
V
CC
x 0.7 or
V
BACK
x 0.7
V
2:, 9:
V
OL
Output LOW Voltage
2.7V
V
8:
5.5V
0.4
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