CY7C1316JV18 Просмотр технического описания (PDF) - Cypress Semiconductor
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CY7C1316JV18 Datasheet PDF : 26 Pages
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CY7C1316JV18, CY7C1916JV18
CY7C1318JV18, CY7C1320JV18
Write Cycle Descriptions
The write cycle description table for CY7C1916JV18 follows. [2, 8]
BWS0 K
L
L–H
L
–
H
L–H
K
Comments
– During the Data portion of a write sequence, the single byte (D[8:0]) is written into the device.
L–H During the Data portion of a write sequence, the single byte (D[8:0]) is written into the device.
– 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 CY7C1320JV18 follows. [2, 8]
BWS0 BWS1 BWS2 BWS3 K
L
L
L
L L–H
K
Comments
– 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.
Document Number: 001-15271 Rev. *B
Page 11 of 26
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