Cypress CY7C1166V18, CY7C1168V18, CY7C1170V18, CY7C1177V18 CY7C1166V18, CY7C1177V18 CY7C1168V18, CY7C1170V18

CY7C1166V18, CY7C1177V18
CY7C1168V18, CY7C1170V18
Document Number: 001-06620 Rev. *D Page 11 of 27
The write cycle descriptions of CY7C1170V18 follows.[2, 8]
BWS0BWS1BWS2BWS3K K Comments
LLLLL-H–During the data portion of a write sequence, all four bytes (D
[35:0]) are written into
the device.
LLLL–L-HDuring 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.
HHHHL-H–No data is written into the device during this portion of a write operation.
HHHH–L-HNo data is written into the device during this portion of a write operation.
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