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MSM62X42B 데이터 시트보기 (PDF) - Oki Electric Industry
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MSM62X42B
REAL TIME CLOCK IC WITH BUILT-IN CRYSTAL
Oki Electric Industry
MSM62X42B Datasheet PDF : 27 Pages
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MSM62X42B
Switching Characteristics
WRITE mode (ALE = V
DD
)
Parameter
CS
1
Set up Time
CS
1
Hold Time
Address Stable Before WRITE
Address Stable After WRITE
WRITE Pulse Width
Data Set up Time
Data Hold Time
RD
/
WR
Recovery Time
Symbol
t
C1S
t
C1H
t
AW
t
WA
t
WW
t
DS
t
DH
t
RCV
(V
DD
= 5V ± 10%, Ta = –40 to +85°C)
Conditions
Min.
Max.
Unit
—
1000
—
—
1000
—
—
20
—
—
10
—
ns
—
120
—
—
100
—
—
10
—
—
60
—
CS
1
A
0
~A
3
CS
0
WR
D
0
~D
3
(INPUT)
V
IH2
t
C1S
V
IH1
V
IL1
t
Aw
V
IH1
t
ww
t
wA
V
IL1
V
IL1
V
IH1
t
RCV
t
DH
t
DS
V
IH1
V
IH1
V
IL1
V
IL1
V
IH2
t
C1H
V
IH1
V
IL1
V
IH1
V
IH1
= 2.2V
V
IL1
= 0.8V
V
IH2
= 4/5 V
DD
V
IL2
= 1/5 V
DD
47
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