CY7C1480V33_11 CYPRESS [Cypress Semiconductor], CY7C1480V33_11 Datasheet - Page 12

• Manufacturer Part Number: CY7C1480V33_11
• Description: 72-Mbit (2 M x 36/4 M x 18/1 M x 72) Pipelined Sync SRAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Truth Table for Read/Write
The following is a Truth Table for Read/Write for the CY7C1480V33.
Truth Table for Read/Write
The following is a Truth Table for Read/Write for the CY7C1482V33.
Document Number: 38-05283 Rev. *K
Note
Read
Read
Write Byte A – (DQ
Write Byte B – (DQ
Write Bytes B, A
Write Byte C – (DQ
Write Bytes C, A
Write Bytes C, B
Write Bytes C, B, A
Write Byte D – (DQ
Write Bytes D, A
Write Bytes D, B
Write Bytes D, B, A
Write Bytes D, C
Write Bytes D, C, A
Write Bytes D, C, B
Write All Bytes
Write All Bytes
Read
Read
Write Byte A – (DQ
Write Byte B – (DQ
Write Bytes B, A
Write All Bytes
Write All Bytes
8. The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.
C
D
B
B
A
A
Function
Function
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
B
C
D
B
A
A
)
)
)
)
)
)
GW
GW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
BWE
BWE
[8]
[8]
H
H
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
BW
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
X
D
BW
X
H
H
X
L
L
L
B
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
C
BW
CY7C1480V33
CY7C1482V33
CY7C1486V33
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
B
BW
X
H
H
X
L
L
L
A
Page 12 of 36
BW
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
X
L
L
A
[+] Feedback