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M41T93 Arkusz danych(PDF) 42 Page - STMicroelectronics

Numer części M41T93
Szczegółowy opis  Serial SPI bus RTC with battery switchover
PDF  51 Pages
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Producent  STMICROELECTRONICS [STMicroelectronics]
Strona internetowa  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M41T93 Arkusz danych(HTML) 42 Page - STMicroelectronics

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DC and AC parameters
M41T93
42/51
Table 22.
AC characteristics
Sym
Parameter(1)
1.
Valid for Ambient Operating Temperature: TA = –40 to 85°C; VCC = 2.38 to 5.5V (except where noted).
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)
2.
tCH and tCL must never be lower than the shortest possible clock period, 1/fC(max)
Clock high time
90
40
ns
tCL
(2)
Clock low time
90
40
ns
tCLCH
(3)
3.
Value guaranteed by characterization, not 100% tested in production.
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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