CY7C1307BV25
CY7C1305BV25
Document #: 38-05630 Rev. *A Page 8 of 21
Write Cycle Descriptions (CY7C1307BV25)[2, 10]
BWS0BWS1BWS2BWS3KK 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.
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