CY7C1316BV18
CY7C1916BV18
CY7C1318BV18
CY7C1320BV18
Document Number: 38-05621 Rev. *C
Page 11 of 28
Write Cycle Descriptions (CY7C1320BV18) [2, 8]
BWS0
BWS1
BWS2
BWS2
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(CY7C1916BV18) [2, 8]
BWS0
KK
Comments
L
L-H
–
During the Data portion of a Write sequence
,
the single byte (D[8:0]) is written into the device.
L
–
L-H
During the Data portion of a Write sequence
,
the single byte (D[8:0]) is written into the device.
H
L-H
–
No data is written into the device during this portion of a Write operation.
H
–
L-H
No data is written into the device during this portion of a Write operation.
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