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M41T00CAP 数据表(PDF) 21 Page - STMicroelectronics

部件名 M41T00CAP
功能描述  Serial access real-time clock (RTC) with integral backup battery and crystal
PDF  27 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M41T00CAP 数据表(HTML) 21 Page - STMicroelectronics

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M41T00CAP
DC and AC parameters
Doc ID 14557 Rev 5
21/27
Figure 14. Bus timing requirements sequence
Table 9. Power down/up trip points DC characteristics
Sym
Parameter (1)(2)
Min
Typ
Max
Unit
VPFD
Power-fail deselect
2.5
2.6
2.7
V
Hysteresis
25
mV
VSO
Battery backup switchover voltage
VBAT < VPFD
VBAT
V
VBAT > VPFD
VPFD
V
Hysteresis
40
mV
tDR
(3)
Expected data retention time
10
Years
1.
All voltages referenced to VSS.
2.
Valid for ambient operating temperature: TA = –40 to 85 °C; VCC = 2.7 to 5.5 V (except where noted).
3.
TA = 25°C, VCC = 0 V, oscillator on.
AI00589
SDA
P
tSU:STO
tSU:STA
tHD:STA
Sr
SCL
tSU:DAT
tF
tHD:DAT
tR
tHIGH
tLOW
tHD:STA
tBUF
S
P



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