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MSM6542-2RS 查看數據表(PDF) - Oki Electric Industry
零件编号
产品描述 (功能)
生产厂家
MSM6542-2RS
REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT
Oki Electric Industry
MSM6542-2RS Datasheet PDF : 54 Pages
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MSM6542-01/02/03
¡ Semiconductor
80-xxx
Write mode (ALE is used.)
Rating
CS
1
set-up time
Address set-up time
Address hold time
ALE pulse width
ALE before WRITE
WRITE pulse width
ALE after WRITE
Data set-up time
Data hold time
CS
1
hold time
RD
/
WR
recovery time
(V
DD
= 5V ±10%, Ta = –40 to +85°C (in the 80 mode for the MSM6542-01/03))
Symbol
Condition
Min. Typ. Max. Unit
t
C1S
–
1000
–
–
ns
t
AS
–
25
–
–
ns
t
AH
–
25
–
–
ns
t
AW
–
40
–
–
ns
t
ALW
–
10
–
–
ns
t
WW
–
120
–
–
ns
t
WAL
–
20
–
–
ns
t
DS
–
100
–
–
ns
t
DH
–
10
–
–
ns
t
C1H
–
1000
–
–
ns
t
RCV
–
100
–
–
ns
CS
1
A
0
~ A
3
CS
0
V
IH2
t
C1S
t
AS
V
IH1
V
IL1
t
AW
t
AH
V
IH1
V
IL1
V
IH2
t
C1H
ALE
V
IH1
V
IH1
V
IL1
t
ALW
t
WW
t
WAL
WR
D
0
~ D
3
(Input)
V
IH1
V
IH1
t
RCV
V
IH1
V
IL1
V
IL1
t
DS
t
DH
V
IH1
V
IH1
V
IL1
V
IL1
V
IH1
= 2.2V
V
IL1
= 0.8V
V
IH2
=
4
5
V
DD
V
IL2
=
1
5
V
DD
76
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