CY7C1345G(2007) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1345G Datasheet PDF : 20 Pages
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CY7C1345G
Truth Table for Read or Write
The partial truth table for read or write follows. [1, 6]
Function
GW
Read
H
Read
H
Write Byte (A, DQPA)
H
Write Byte (B, DQPB)
H
Write Bytes (B, A, DQPA, DQPB)
H
Write Byte (C, DQPC)
H
Write Bytes (C, A, DQPC, DQPA)
H
Write Bytes (C, B, DQPC, DQPB)
H
Write Bytes (C, B, A, DQPC, DQPB, DQPA)
H
Write Byte (D, DQPD)
H
Write Bytes (D, A, DQPD, DQPA)
H
Write Bytes (D, B, DQPD, DQPA)
H
Write Bytes (D, B, A, DQPD, DQPB, DQPA)
H
Write Bytes (D, B, DQPD, DQPB)
H
Write Bytes (D, B, A, DQPD, DQPC, DQPA)
H
Write Bytes (D, C, A, DQPD, DQPB, DQPA)
H
Write All Bytes
H
Write All Bytes
L
BWE
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
BWD
X
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
X
BWC
X
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
X
BWB
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
X
BWA
X
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
X
Note
6. This table is only a partial listing of the byte write combinations. Any combination of BWx is valid. Appropriate write is done based on the active byte write.
Document Number: 38-05517 Rev. *E
Page 9 of 20
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