參數(shù)資料
型號: CY7C1486V33
廠商: Cypress Semiconductor Corp.
英文描述: 72-Mbit (2M x 36/4M x 18/1M x 72) Pipelined Sync SRAM(72-Mb (2M x 36/4M x 18/1M x 72) 管道式同步SRAM)
中文描述: 72兆位(2米x 36/4M x 18/1M × 72)流水線同步靜態(tài)存儲器(72 - MB的(2米x 36/4M x 18/1M × 72)管道式同步靜態(tài)存儲器)
文件頁數(shù): 11/32頁
文件大?。?/td> 1235K
代理商: CY7C1486V33
CY7C1480V33
CY7C1482V33
CY7C1486V33
Document #: 38-05283 Rev. *H
Page 11 of 32
Truth Table for Read/Write
The following is a Truth Table for Read/Write for the CY7C1480V33.
[5]
Function
GW
BWE
BW
D
X
BW
C
X
BW
B
X
BW
A
X
Read
H
H
Read
H
L
H
H
H
H
Write Byte A – (DQ
A
and DQP
A
)
Write Byte B – (DQ
B
and DQP
B
)
Write Bytes B, A
H
L
H
H
H
L
H
L
H
H
L
H
H
L
H
H
L
L
Write Byte C – (DQ
C
and DQP
C
)
Write Bytes C, A
H
L
H
L
H
H
H
L
H
L
H
L
Write Bytes C, B
H
L
H
L
L
H
Write Bytes C, B, A
H
L
H
L
L
L
Write Byte D – (DQ
D
and DQP
D
)
Write Bytes D, A
H
L
L
H
H
H
H
L
L
H
H
L
Write Bytes D, B
H
L
L
H
L
H
Write Bytes D, B, A
H
L
L
H
L
L
Write Bytes D, C
H
L
L
L
H
H
Write Bytes D, C, A
H
L
L
L
H
L
Write Bytes D, C, B
H
L
L
L
L
H
Write All Bytes
H
L
L
L
L
L
Write All Bytes
L
X
X
X
X
X
Truth Table for Read/Write
The following is a Truth Table for Read/Write for the CY7C1482V33.
[5]
Function
GW
BWE
BW
B
BW
A
Read
H
H
X
X
Read
H
L
H
H
Write Byte A – (DQ
A
and DQP
A
)
Write Byte B – (DQ
B
and DQP
B
)
Write Bytes B, A
H
L
H
L
H
L
L
H
H
L
L
L
Write All Bytes
H
L
L
L
Write All Bytes
L
X
X
X
Truth Table for Read/Write
The following is a Truth Table for Read/Write for the CY7C1482V33.
[8]
Function
GW
BWE
BW
X
X
Read
Read
Write Byte x – (DQ
x
and DQP
x
)
Write All Bytes
Write All Bytes
H
H
H
H
L
H
L
L
L
X
All BW = H
L
All BW = L
X
Note
8. BWx represents any byte write signal BW[0..7].To enable any byte write BWx, a Logic LOW signal should be applied at clock rise. Any number of bye writes
can be enabled at the same time for any given write.
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