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參數(shù)資料
| 型號(hào)： | CYC1021B-12VC |
| 英文描述： | IC-1MB CMOS SRAM |
| 中文描述： | 集成電路1MB的CMOS SRAM的 |
| 文件頁(yè)數(shù)： | 6/9頁(yè) |
| 文件大?。?/td> | 308K |
| 代理商： | CYC1021B-12VC |
CY7C1021B
6
Switching Waveforms
(continued)
Write Cycle No. 3 (WE Controlled
,
LOW)
1021B-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
H
L
OE
X
L
WE
X
H
BLE
X
L
L
H
L
L
H
X
H
BHE
X
L
H
L
L
H
L
X
H
I/O
1
–I/O
8
High Z
Data Out
Data Out
High Z
Data In
Data In
High Z
High Z
High Z
I/O
9
–I/O
16
High Z
Data Out
High Z
Data Out
Data In
High Z
Data In
High Z
High Z
Mode
Power
Power-Down
Read - All bits
Read - Lower bits only
Read - Upper bits only
Write - All bits
Write - Lower bits only
Write - Upper bits only
Selected, Outputs Disabled
Selected, Outputs Disabled
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
X
L
L
L
H
X
H
X
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