CY7C1215F データシートの表示（PDF） - Cypress Semiconductor
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CY7C1215F Datasheet PDF : 16 Pages
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Truth Table for Read/Write[2, 3]
Function
Read
Read
Write Byte A – DQA
Write Byte B – DQB
Write Bytes B, A
Write Byte C – DQC
Write Bytes C, A
Write Bytes C, B
Write Bytes C, B, A
Write Byte D – DQD
Write Bytes D, A
Write Bytes D, B
Write Bytes D, B, A
Write Bytes D, C
Write Bytes D, C, A
Write Bytes D, C, B
Write All Bytes
Write All Bytes
CY7C1215F
GW
BWE
BWD
BWC
BWB
BWA
H
H
X
X
X
X
H
L
H
H
H
H
H
L
H
H
H
L
H
L
H
H
L
H
H
L
H
H
L
L
H
L
H
L
H
H
H
L
H
L
H
L
H
L
H
L
L
H
H
L
H
L
L
L
H
L
L
H
H
H
H
L
L
H
H
L
H
L
L
H
L
H
H
L
L
H
L
L
H
L
L
L
H
H
H
L
L
L
H
L
H
L
L
L
L
H
H
L
L
L
L
L
L
X
X
X
X
X
Document #: 38-05421 Rev. **
Page 7 of 16
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