參數(shù)資料
型號: MSM6542-02
廠商: OKI SEMICONDUCTOR CO., LTD.
英文描述: REAL TIME CLOCK WITH PERIODIC AND ALARM OUTPUT
中文描述: 實時時鐘周期和報警輸出
文件頁數(shù): 9/54頁
文件大?。?/td> 378K
代理商: MSM6542-02
Semiconductor
MSM6542-01/02/03
76
CS
1
A
0
~ A
3
CS
0
ALE
WR
D
0
~ D
3
(Input)
V
IH2
t
C1S
t
AS
V
IH1
V
IL1
t
AW
t
AH
t
C1H
t
ALW
t
WW
t
WAL
t
RCV
t
DS
t
DH
V
IH1
= 2.2V
V
IL1
= 0.8V
4
5
V
IH2
= 5
DD
V
IL2
= 1
DD
V
IH2
V
IH1
V
IL1
V
IH1
V
IH1
V
IL1
V
IH1
V
IL1
V
IH1
V
IL1
V
IH1
V
IH1
V
IL1
V
IH1
V
IL1
Rating
Symbol
Condition
Max.
Unit
(V
DD
= 5V ±10%, Ta = –40 to +85°C (in the 80 mode for the MSM6542-01/03))
80-xxx
Write mode (ALE is used.)
Typ.
Min.
1000
25
25
40
10
120
20
100
10
1000
100
t
C1S
t
AS
t
AH
t
AW
t
ALW
t
WW
t
WAL
t
DS
t
DH
t
C1H
t
RCV
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
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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