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参数资料
| 型号： | M41T11MH6F |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | REAL TIME CLOCK, PDSO28 |
| 封装： | 0.330 INCH, LEAD FREE, PLASTIC, SOH-28 |
| 文件页数： | 14/30页 |
| 文件大小： | 250K |
| 代理商： | M41T11MH6F |
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M41T11
DC and AC parameters
Figure 15.
Power down/up mode AC waveforms
Table 9.
Power down/up AC characteristics
Symbol
Parameter(1)(2)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.0 to 5.5 V (except where noted).
2.
VCC fall time should not exceed 5 mV/s.
Min
Max
Unit
tPD
SCL and SDA at VIH before power down
0
ns
tREC
SCL and SDA at VIH after power up
10
s
Table 10.
Power down/up trip points DC characteristics
Symbol
Parameter(1)(2)
1.
Valid for ambient operating temperature: TA = –40 to 85°C; VCC = 2.0 to 5.5 V (except where noted).
2.
All voltages referenced to VSS.
Min
Typ
Max(3)
3.
In 3.3 V application, if initial battery voltage is
≥ 3.4 V, it may be necessary to reduce battery voltage (i.e.,
through wave soldering the battery) in order to avoid inadvertent switchover/deselection for VCC – 10%
operation.
Unit
VSO
(4)
4.
Switchover and deselect point.
Battery backup switchover voltage
VBAT – 0.80
VBAT – 0.50
VBAT – 0.30
V
AI00596
VCC
tREC
tPD
VSO
SDA
SCL
DON'T CARE
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