m41t93 STMicroelectronics, m41t93 Datasheet - Page 42
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m41t93
Manufacturer Part Number
m41t93
Description
Serial Spi Bus Rtc With Battery Switchover
Manufacturer
STMicroelectronics
Datasheet
1.M41T93.pdf
(51 pages)
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Table 22.
1. Valid for Ambient Operating Temperature: T
2. t
3. Value guaranteed by characterization, not 100% tested in production.
t
t
t
t
t
CLCH
CHCL
EHQZ
QLQH
QHQL
t
t
t
t
t
t
t
t
t
t
t
CH
Sym
EHCH
CHEH
CHDX
DVCH
CLQV
CLQX
f
ELCH
EHEL
CHEL
CH
CL
SCL
(2)
and t
(2)
(3)
(3)
(3)
(3)
(3)
CL
SCL clock frequency
E Active setup time
E Not active setup time
E Deselect time
E Active hold time
E Not active hold time
Clock high time
Clock low time
Clock rise time
Clock fall time
Data in setup time
Data in hold time
Output disable time
Clock low to output valid
Output hold time
Output rise time
Output fall time
must never be lower than the shortest possible clock period, 1/f
AC characteristics
Parameter
(1)
A
= –40 to 85°C; V
D.C.
Min
100
90
90
90
90
90
90
20
30
V
CC
0
CC
= 2.38 to 5.5V (except where noted).
< 2.7V
Max
100
60
50
50
5
1
1
C(max)
D.C.
Min
30
40
30
30
30
40
40
10
10
V
0
CC
2.7V
Max
10
40
40
40
40
2
2
Units
MHz
ns
ns
ns
ns
ns
ns
ns
µs
µs
ns
ns
ns
ns
ns
ns
ns