CY7C1382D CYPRESS [Cypress Semiconductor], CY7C1382D Datasheet - Page 12

• Manufacturer Part Number: CY7C1382D
• Manufacturer: CYPRESS [Cypress Semiconductor]

Truth Table for Read/Write
Truth Table for Read/Write
Document Number: 38-05543 Rev. *I
Notes
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
10. X = Don't Care, H = Logic HIGH, L = Logic LOW.
11. Table only lists a partial listing of the byte write combinations. Any combination of BW
Function (CY7C1380D/CY7C1380F)
Function (CY7C1382D/CY7C1382F)
C
D
B
B
A
A
and DQP
and DQP
and DQP
and DQP
and DQP
and DQP
B
C
D
B
A
A
)
)
)
)
)
)
[10, 11]
[10, 11]
GW
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
BWE
GW
H
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
X
is valid. Appropriate write is done based on which byte write is active.
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
BWE
D
H
X
L
L
L
L
L
CY7C1380D, CY7C1382D
CY7C1380F, CY7C1382F
BW
X
H
H
H
H
H
H
H
H
X
L
L
L
L
L
L
L
L
C
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
B
BW
Page 12 of 33
X
H
H
X
BW
L
L
L
X
H
H
H
H
H
H
H
H
X
A
L
L
L
L
L
L
L
L
A
[+] Feedback