PRELIMINARY
CY7C1310CV18
CY7C1910CV18
CY7C1312CV18
CY7C1314CV18
Document #: 001-07164 Rev. *B
Page 11 of 26
Write Cycle Descriptions (CY7C1314CV18) [2, 8]
BWS0 BWS1 BWS2 BWS3
KK
Comments
L
L
L
L
L-H
-
During the Data portion of a Write sequence, all four bytes (D[35:0]) are written
into the device.
L
L
L
L
-
L-H During the Data portion of a Write sequence, all four bytes (D[35:0]) are written
into the device.
L
H
H
H
L-H
-
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.
L
H
H
H
-
L-H 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.
H
L
H
H
L-H
-
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.
H
L
H
H
-
L-H 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.
H
H
L
H
L-H
-
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.
H
H
L
H
-
L-H 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.
H
H
H
L
L-H
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.
H
H
H
L
-
L-H 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.
H
H
H
H
L-H
-
No data is written into the device during this portion of a Write operation.
H
H
H
H
-
L-H No data is written into the device during this portion of a Write operation.
Write Cycle Descriptions (CY7C1910CV18) [2, 8]
BWS0
KK
Comments
L
L-H
–
During the Data portion of a Write sequence
:
CY7C1910CV18
− the single byte (D
[8:0]) is written into the device
L
–
L-H
During the Data portion of a Write sequence
:
CY7C1910CV18
− the single byte (D
[8:0]) is written into the device,
H
L-H
–
No data is written into the devices during this portion of a Write operation.
H
–
L-H
No data is written into the devices during this portion of a Write operation.
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