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參數(shù)資料
| 型號： | CY62138VLL-70BAI |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | DRAM |
| 英文描述： | 256K x 8 Static RAM |
| 中文描述： | 256K X 8 STANDARD SRAM, 70 ns, PBGA48 |
| 封裝： | 7 X 7 MM, 1.20 MM HEIGHT, FBGA-48 |
| 文件頁數(shù)： | 7/9頁 |
| 文件大?。?/td> | 175K |
| 代理商： | CY62138VLL-70BAI |
CY7C1020
7
Switching Waveforms
(continued)
Write Cycle No.3 (WE Controlled
,
OE
LOW)
1020-10
t
HD
t
SD
t
SCE
t
HA
t
AW
t
PWE
t
WC
t
BW
DATA I/O
ADDRESS
CE
WE
BHE, BLE
t
SA
t
LZWE
t
HZWE
Truth Table
CE
OE
WE
BLE
BHE
I/O
1
–
I/O
8
High Z
I/O
9
–
I/O
16
High Z
Mode
Power
H
X
X
X
X
Power-Down
Standby (I
SB
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
Active (I
CC
)
L
L
H
L
L
Data Out
Data Out
Read - All bits
L
H
Data Out
High Z
Read - Lower bits only
H
L
High Z
Data Out
Read - Upper bits only
L
X
L
L
L
Data In
Data In
Write - All bits
L
H
Data In
High Z
Write - Lower bits only
H
L
High Z
Data In
Write - Upper bits only
L
H
H
X
X
High Z
High Z
Selected, Outputs Disabled
L
X
X
H
H
High Z
High Z
Selected, Outputs Disabled
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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