CY7C1480BV33-250BZXC CYPRESS [Cypress Semiconductor], CY7C1480BV33-250BZXC Datasheet - Page 10

• Manufacturer Part Number: CY7C1480BV33-250BZXC
• Manufacturer: CYPRESS [Cypress Semiconductor]

Truth Table for Read/Write
The read/write truth table for CY7C1480BV33 follows.
Truth Table for Read/Write
The read/write truth table for CY7C1482BV33 follows.
Document Number: 001-15145 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
7. BWx represents any byte write signal BW[0..3].To enable any byte write BWx, a Logic LOW signal must be applied at clock rise. Any number of bye writes can be
enabled at the same time for any write.
Function (CY7C1480BV33)
Function (CY7C1482BV33)
B
C
D
B
A
A
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
B
C
D
B
A
A
)
)
)
)
)
)
[7]
[7]
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
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
L
L
L
L
L
X
L
L
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
D
BW
X
H
H
X
L
L
L
B
BW
H
H
H
H
H
H
H
H
X
X
L
L
L
L
L
L
L
L
C
CY7C1480BV33
CY7C1482BV33
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
B
BW
Page 10 of 33
H
H
X
L
L
L
X
A
BW
H
H
H
H
X
H
H
H
H
X
L
L
L
L
L
L
L
L
A