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M41T93 Fiches technique(PDF) 41 Page - STMicroelectronics

No de pièce M41T93
Description  Serial SPI bus RTC with battery switchover
PDF  49 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T93 Fiches technique(HTML) 41 Page - STMicroelectronics

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M41T93
DC and AC parameters
41/49
1.
Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.38 to 5.5V (except where noted).
2.
tCH and tCL must never be lower than the shortest possible clock period, 1/fC(max)
3.
Value guaranteed by characterization, not 100% tested in production.
Table 22.
AC characteristics
Sym
Parameter(1)
VCC < 2.7V
VCC ≥ 2.7V
Units
Min
Max
Min
Max
fSCL
SCL clock frequency
D.C.
5
D.C.
10
MHz
tELCH
E Active setup time
90
30
ns
tEHCH
E Not active setup time
90
30
ns
tEHEL
E Deselect time
100
40
ns
tCHEH
E Active hold time
90
30
ns
tCHEL
E Not active hold time
90
30
ns
tCH
(2)
Clock high time
90
40
ns
tCL
(2)
Clock low time
90
40
ns
tCLCH
(3)
Clock rise time
1
2
µs
tCHCL
(3)
Clock fall time
1
2
µs
tDVCH
Data in setup time
20
10
ns
tCHDX
Data in hold time
30
10
ns
tEHQZ
(3)
Output disable time
100
40
ns
tCLQV
Clock low to output valid
60
40
ns
tCLQX
Output hold time
0
0
ns
tQLQH
(3)
Output rise time
50
40
ns
tQHQL
(3)
Output fall time
50
40
ns



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