Cypress Semiconductor CY7C1303BV25 Ficha de especificações - Página 7

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Cypress Semiconductor CY7C1303BV25 Ficha de especificações
Write Descriptions (CY7C1303BV25)
BWS
BWS
K
0
1
L
L
L-H
L
L
-
L
H
L-H
L
H
-
H
L
L-H
H
L
-
H
H
L-H
H
H
-
Write Descriptions (CY7C1306BV25)
BWS
BWS
BWS
0
1
2
L
L
L
L
L
L
L
H
H
L
H
H
H
L
H
H
L
H
H
H
L
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
Note:
8. Assumes a Write cycle was initiated per the Write Port Cycle Description Truth Table. BWS
in the case of CY7C1306BV25 can be altered on different portions of a write cycle, as long as the set-up and hold requirements are achieved. 38-05627
Document #: 38-05627 Rev. *A
[2, 8]
K
-
During the Data portion of a Write sequence, both bytes (D
L-H
During the Data portion of a Write sequence, both bytes (D
-
During the Data portion of a Write sequence, only the lower byte (D
device. D
remains unaltered.
[17:9]
L-H
During the Data portion of a Write sequence, only the lower byte (D
device. D
remains unaltered.
[17:9]
-
During the Data portion of a Write sequence, only the byte (D
D
remains unaltered.
[8:0]
L-H
During the Data portion of a Write sequence, only the byte (D
D
remains unaltered.
[8:0]
-
No data is written into the device during this portion of a write operation.
L-H
No data is written into the device during this portion of a write operation.
[2, 8]
BWS
K
K
3
L
L-H
-
During the Data portion of a Write sequence, all four bytes (D
written into the device.
L
-
L-H
During the Data portion of a Write sequence, all four bytes (D
written into the device.
H
L-H
-
During the Data portion of a Write sequence, only the lower byte (D
is written into the device. D
H
-
L-H
During the Data portion of a Write sequence, only the lower byte (D
is written into the device. D
H
L-H
-
During the Data portion of a Write sequence, only the byte (D
written into the device. D
H
-
L-H
During the Data portion of a Write sequence, only the byte (D
written into the device. D
H
L-H
-
During the Data portion of a Write sequence, only the byte (D
written into the device. D
H
-
L-H
During the Data portion of a Write sequence, only the byte (D
written into the device. D
L
L-H
-
During the Data portion of a Write sequence, only the byte (D
written into the device. D
L
-
L-H
During the Data portion of a Write sequence, only the byte (D
written into the device. D
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.
CY7C1303BV25
CY7C1306BV25
Comments
) are written into the device.
[17:0]
) are written into the device.
[17:0]
) is written into the device.
[17:9]
) is written into the device.
[17:9]
Comments
will remain unaltered.
[35:9]
will remain unaltered.
[35:9]
and D
will remain unaltered.
[8:0]
[35:18]
and D
will remain unaltered.
[8:0]
[35:18]
and D
will remain unaltered.
[17:0]
[35:27]
and D
will remain unaltered.
[17:0]
[35:27]
will remain unaltered.
[26:0]
will remain unaltered.
[26:0]
, BWS
, in the case of CY7C1303BV25 and also BWS
0
1
) is written into the
[8:0]
) is written into the
[8:0]
) are
[35:0]
) are
[35:0]
)
[8:0]
)
[8:0]
) is
[17:9]
) is
[17:9]
) is
[26:18]
) is
[26:18]
) is
[35:27]
) is
[35:27]
and BWS
2
3
Page 7 of 19
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