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參數資料
| 型號： | MSM6242BGS |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 時鐘/數據恢復及定時提取 |
| 英文描述： | 1 TIMER(S), REAL TIME CLOCK, PDSO24 |
| 封裝： | 0.430 INCH, PLASTIC, SOP-24 |
| 文件頁數： | 16/18頁 |
| 文件大?。?/td> | 177K |
| 代理商： | MSM6242BGS |
Semiconductor
MSM6242B
29
tAW
tC1H
tC1S
VIH2 –
VIL1 –
VIH1 –
,,
,,,,
,,,
tAH
,,
,,,
,,,,
VIH1 –
VIL1 –
CS1
A0 ~ A3
CS0
WR
D0 ~ D3
(INPUT)
VIH1 = 2.2V
VIL1 = 0.8V
VIH2 = 4/5VDD
VIL2 = 1/5VDD
Figure 5. Write Cycle — (With Use of ALE)
,,,
,,
tAS
,,,
tALW
tWW
,,,,
,,,
,,,,,,
,,,
tWAL
,,,,
,,,
tDS
tDH
VIL1 –
VIH1 –
VIL1 –
ALE
,,,,
,,,,,,,,,,,,,,,
tRCV
tAR
tC1H
tC1S
tRD
VIH2 –
VIL1 –
VIH1 –
,,,
tDR
,,,,
,,,,,
,,,
,,,,
,,,
VIH1 –
VOH –
VOL –
CS1
A0 ~ A3
CS0
RD
D0 ~ D3
(OUTPUT)
VIH1 = 2.2V
VIL1 = 0.8V
VIH2 = 4/5VDD
VIL2 = 1/5VDD
VOH = 2.2V
VOL = 0.8V
Figure 6. Read Cycle — (ALE = VDD)
tRA
,,,,
,,,
"Z"
VIL1 –
,,,,,,,,,,,,,
,,,,,,,,
,,,,
tRCV
Parameter
Symbol
Condition
Min.
Unit
CS1 Set up Time
CS1 Hold Time
—
tC1S
tC1H
ns
(3) READ mode (ALE = VDD)
Max.
Address Stable before
READ
Address Stable after
READ
RD to Data
Data Hold
RD / WR Recovery Time
—
CL = 150pF
—
120
—
tAR
tRA
tRD
tDR
tRCV
1000
20
0
—
0
60
(VDD = 5V ± 10%, Ta = -40 to +85°C)
—
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