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參數資料
| 型號： | M41ST84W |
| 廠商： | 意法半導體 |
| 英文描述： | 3.0/3.3V I2C Serial RTC with Supervisory Functions(帶監(jiān)視功能的3.0/3.3V I2C串行RTC) |
| 中文描述： | 3.0/3.3V I2C串行實時時鐘具有監(jiān)督職能（帶監(jiān)視功能的3.0/3.3V的I2C串行時鐘） |
| 文件頁數： | 22/29頁 |
| 文件大?。?/td> | 481K |
| 代理商： | M41ST84W |
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M41ST84W
22/29
Table 7. t
rec
Definitions
Note: 1. Default Setting
Table 8. Default Values
Note: 1. WDS, BMB0-BMB4, RB0, RB1.
2. State of other control bits undefined.
3. UC = Unchanged
MAXIMUM RATING
Stressing the device above the rating listed in the
“Absolute Maximum Ratings” table may cause
permanent damage to the device. These are
stress ratings only and operation of the device at
these or any other conditions above those indicat-
ed in the Operating sections of this specification is
not implied. Exposure to Absolute Maximum Rat-
ing conditions for extended periods may affect de-
vice
reliability.
Refer
STMicroelectronics SURE Program and other rel-
evant quality documents.
also
to
the
Table 9. Absolute Maximum Ratings
Note: 1. For SO package, standard (SnPb) lead finish: Reflow at peak temperature of 225°C (total thermal budget not to exceed 180°C for
between 90 to 150 seconds).
2. For SO package, Lead-free (Pb-free) lead finish: Reflow at peak temperature of 260°C (total thermal budget not to exceed 245°C
for greater than 30 seconds).
CAUTION:
Negative undershoots below –0.3V are not allowed on any pin while in the Battery Back-up mode.
t
REC
Bit (TR)
STOP Bit (ST)
t
rec
Time
Units
Min
Max
0
0
96
98
ms
0
1
40
200
(1)
ms
1
X
50
2000
μs
Condition
TR
ST
HT
Out
FT
AFE
ABE
SQWE
WATCHDOG
Register
(1)
Initial Power-up
(Battery Attach)
(2)
0
1
1
1
0
0
0
0
0
Subsequent Power-up (with
battery back-up)
(3)
UC
UC
1
UC
0
0
0
0
0
Symbol
Parameter
Value
Unit
T
STG
Storage Temperature (V
CC
Off, Oscillator Off)
–55 to 150
°C
T
SLD(1)
Lead Solder Temperature for 10 seconds
260
°C
V
IO
Input or Output Voltages
–0.3 to V
CC
+ 0.3
V
V
CC
Supply Voltage
–0.3 to 4.6
V
I
O
Output Current
20
mA
P
D
Power Dissipation
1
W
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