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PRELIMINARY
CY7C1416BV18
CY7C1427BV18
CY7C1418BV18
CY7C1420BV18
Document Number: 001-07033 Rev. *B
Page 11 of 28
Write Cycle Descriptions
(CY7C1418BV18)
[2, 8]
BWS
0
L
BWS
1
L
BWS
2
L
BWS
3
L
K
K
–
Comments
L-H
During the Data portion of a Write sequence, all four bytes (D
[35:0]
) are
written into the device.
During the Data portion of a Write sequence, all four bytes (D
[35:0]
) are
written into the device.
During the Data portion of a Write sequence, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
will remain unaltered.
During the Data portion of a Write sequence, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[17:9]
) is
written into the device. D
[8:0]
and D
[35:18]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[17:9]
) is
written into the device. D
[8:0]
and D
[35:18]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[26:18]
) is
written into the device. D
[17:0]
and D
[35:27]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[26:18]
) is
written into the device. D
[17:0]
and D
[35:27]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
will remain unaltered.
During the Data portion of a Write sequence, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
will remain unaltered.
No data is written into the device during this portion of a Write operation.
No data is written into the device during this portion of a Write operation.
L
L
L
L
–
L-H
L
H
H
H
L-H
–
L
H
H
H
–
L-H
H
L
H
H
L-H
–
H
L
H
H
–
L-H
H
H
L
H
L-H
–
H
H
L
H
–
L-H
H
H
H
L
L-H
H
H
H
L
–
L-H
H
H
H
H
H
H
H
H
L-H
–
–
L-H
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