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參數(shù)資料
| 型號(hào)： | M41T11MH6E |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Serial Real Time Clock with 56 Bytes of NVRAM |
| 中文描述： | 串行實(shí)時(shí)時(shí)鐘與56字節(jié)的NVRAM |
| 文件頁(yè)數(shù)： | 21/29頁(yè) |
| 文件大?。?/td> | 154K |
| 代理商： | M41T11MH6E |
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M41T11
DC and AC parameters
21/29
Figure 15.
Power down/up mode ac Waveforms
Table 9.
Table 10.
Power down/up AC characteristics
Symbol
Parameter
(1)(2)
1.
Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 2.0 to 5.5V (except where noted).
V
CC
fall time should not exceed 5mV/μs.
2.
Min
Max
Unit
t
PD
SCL and SDA at V
IH
before power down
0
ns
t
REC
SCL and SDA at V
IH
after power up
10
μs
Power down/up trip points DC characteristics
Symbol
Parameter
(1) (2)
1.
Valid for Ambient Operating Temperature: T
A
= –40 to 85°C; V
CC
= 2.0 to 5.5V (except where noted).
All voltages referenced to V
SS
.
In 3.3V application, if initial battery voltage is
≥
3.4V, it may be necessary to reduce battery voltage (i.e.,
through wave soldering the battery) in order to avoid inadvertent switchover/deselection for V
CC
– 10%
operation.
2.
Min
Typ
Max
(3)
3.
Unit
V
SO(4)
4.
Switch-over and deselect point.
Battery back-up switchover voltage
V
BAT
– 0.80
V
BAT
– 0.50
V
BAT
– 0.30
V
AI00596
VCC
tREC
tPD
VSO
SDA
SCL
DON'T CARE
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