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參數(shù)資料
| 型號： | MSM6242BGS |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 時鐘/數(shù)據(jù)恢復(fù)及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO24 |
| 封裝： | 0.430 INCH, PLASTIC, SOP-24 |
| 文件頁數(shù)： | 15/18頁 |
| 文件大?。?/td> | 177K |
| 代理商： | MSM6242BGS |
Semiconductor
MSM6242B
28
Parameter
Symbol
Condition
Min.
Unit
CS1 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
CS1 Hold Time
RD / WR Recovery Time
—
tC1S
tAS
tAH
tAW
tALW
tWW
tWAL
tDS
tDH
tC1H
tRCV
ns
(2) WRITE mode (With use of ALE)
(VDD = 5V ± 10%, Ta = -40 ~ +85°C)
Max.
—
1000
25
40
10
120
20
100
10
1000
60
—
tAW
tC1H
tC1S
tDS
VIH2 –
VIL1 –
VIH1 –
,,,,,,,
,,,
tDH
tWW
tWA
,,,,,
,,,
,,,,
,,,
,,,,
,,,
,,,,
,,,
VIH1 –
VIL1 –
CS1
A0 ~ A3
CS0
WR
D0 ~ D3
(INPUT)
VIH1 = 2.2V
VIL1 = 0.8V
VIH2 = 4/5VDD
VIL2 = 1/5VDD
Figure 4. Write Cycle — (ALE = VDD)
,,,,,,,,,,,,,
,,,,,,,,,,,
tRCV
Parameter
Symbol
Condition
Min.
Unit
CS1 Set up Time
CS1 Hold Time
—
SWITCHING CHARACTERISTICS
tC1S
tC1H
ns
(1) WRITE mode (ALE = VDD)
(VDD = 5V ± 10% Ta = -40 to +85°C)
Max.
Address Stable Before
WRITE
Address Stable After
WRITE
WRITE Pulse Width
Data Set up Time
Data Hold Time
RD / WR Recovery Time
—
tAW
tWA
tWW
tDS
tDH
tRCV
1000
20
10
120
100
10
60
—
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|---|---|
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