Cypress CY7C1410JV18 - Manual (Page 11)

CY7C1410JV18, CY7C1425JV18
CY7C1412JV18, CY7C1414JV18
Document #: 001-12561 Rev. *D Page 11 of 26
Write Cycle Descriptions
The write cycle description table for CY7C1425JV18 follows. [2, 8]
BWS
0
K K 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.
Write Cycle Descriptions
The write cycle description table for CY7C1414JV18 follows.
[2, 8]
BWS
0
BWS
1
BWS
2
BWS
3
K K 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]
remains 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]
remains 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]
remains 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]
remains 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]
remains 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]
remains 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]
remains 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]
remains 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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