CY7C1480BV25-167BZXC CYPRESS [Cypress Semiconductor], CY7C1480BV25-167BZXC Datasheet - Page 12

• Manufacturer Part Number: CY7C1480BV25-167BZXC
• 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 read-write truth table for the CY7C1480BV25 follows.
Truth Table for Read/Write
The read-write truth table for the CY7C1482BV25 follows.
Document Number: 001-15143 Rev. *H
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
Note
8. The DQ pins are controlled by the current cycle and the OE signal. OE is asynchronous and is not sampled with the clock.
Function (CY7C1480BV25)
Function (CY7C1482BV25)
B
C
D
B
A
A
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
B
D
A
C
A
B
)
)
)
)
)
)
GW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
[8]
[8]
BWE
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
GW
H
H
H
H
H
H
L
CY7C1482BV25, CY7C1486BV25
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
D
BWE
H
L
L
X
L
L
L
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
C
BW
CY7C1480BV25
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
B
Page 12 of 34
BW
BW
X
H
H
X
L
L
L
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
A
A
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