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CY7C1146V18, CY7C1157V18
CY7C1148V18, CY7C1150V18
Document Number: 001-06621 Rev. *D Page 11 of 27
The write cycle descriptions of CY7C1148V18 follows,
[3, 9]
BWS
0
BWS
1
BWS
2
BWS
3
K K Comments
LLLLL – H–When the Data portion of a write sequence is active, all four bytes (D
[35:0]
) are
written into the device.
LLLL–L – HWhen the Data portion of a write sequence is active, all four bytes (D
[35:0]
) are
written into the device.
L H H H L – H – When the Data portion of a write sequence is active, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
remains unaltered.
L H H H – L – H When the Data portion of a write sequence is active, only the lower byte (D
[8:0]
) is
written into the device. D
[35:9]
remains unaltered.
H L H H L – H – When the Data portion of a write sequence is active, 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 When the Data portion of a write sequence is active, 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 – When the Data portion of a write sequence is active, 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 When the Data portion of a Write sequence is active, 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 – When the Data portion of a write sequence is active, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
remains unaltered.
H H H L – L – H When the Data portion of a write sequence is active, only the byte (D
[35:27]
) is
written into the device. D
[26:0]
remains unaltered.
HHHHL – H–No data is written into the device when this portion of a write operation is active.
HHHH–L – HNo data is written into the device when this portion of a write operation is active.
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