CY7C1462AV33-250 Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY7C1462AV33-250
Cypress Semiconductor
CY7C1462AV33-250 Datasheet PDF : 27 Pages
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PRELIMINARY
Partial Write Cycle Description[1, 2, 3, 8]
Function (CY7C1460AV33)
WE
Read
H
Write – No bytes written
L
Write Byte a – (DQa and DQPa)
L
Write Byte b – (DQb and DQPb)
L
Write Bytes b, a
L
Write Byte c – (DQc and DQPc)
L
Write Bytes c, a
L
Write Bytes c, b
L
Write Bytes c, b, a
L
Write Byte d – (DQd and DQPd)
L
Write Bytes d, a
L
Write Bytes d, b
L
Write Bytes d, b, a
L
Write Bytes d, c
L
Write Bytes d, c, a
L
Write Bytes d, c, b
L
Write All Bytes
L
Function (CY7C1462AV33)[2,8]
Read
Write – No Bytes Written
Write Byte a – (DQa and DQPa)
Write Byte b – (DQb and DQPb)
Write Both Bytes
BWd
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
WE
H
L
L
L
L
CY7C1460AV33
CY7C1462AV33
CY7C1464AV33
BWc
X
H
H
H
H
L
L
LL
L
H
H
H
H
L
L
L
L
BWb
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
BWb
x
H
H
L
L
BWa
X
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
BWa
x
H
L
H
L
Read
Function (CY7C1464AV33)[2,8]
WE
BWx
H
x
Write – No Bytes Written
L
H
Write Byte X − (DQx and DQPx)
Write All Bytes
L
L
L
All BW = L
Note:
8. Table only lists a partial listing of the byte write combinations. Any combinaion of BW[a:d] is valid. Appropriate write will be done based on which byte write is active.
Document #: 38-05353 Rev. *A
Page 10 of 27
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