CY7C1486BV33-167BGC データシートの表示（PDF） - Cypress Semiconductor
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CY7C1486BV33-167BGC Datasheet PDF : 34 Pages
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CY7C1480BV33
CY7C1482BV33, CY7C1486BV33
The read/write truth table for CY7C1480BV33 follows.[4]
Truth Table for Read/Write
Function (CY7C1480BV33)
GW
Read
H
Read
H
Write Byte A – (DQA and DQPA)
H
Write Byte B – (DQB and DQPB)
H
Write Bytes B, A
H
Write Byte C – (DQC and DQPC)
H
Write Bytes C, A
H
Write Bytes C, B
H
Write Bytes C, B, A
H
Write Byte D – (DQD and DQPD)
H
Write Bytes D, A
H
Write Bytes D, B
H
Write Bytes D, B, A
H
Write Bytes D, C
H
Write Bytes D, C, A
H
Write Bytes D, C, B
H
Write All Bytes
H
Write All Bytes
L
The read/write truth table for CY7C1482BV33 follows.[4]
Truth Table for Read/Write
Function (CY7C1482BV33)
GW
Read
H
Read
H
Write Byte A – (DQA and DQPA)
H
Write Byte B – (DQB and DQPB)
H
Write Bytes B, A
H
Write All Bytes
H
Write All Bytes
L
The read/write truth table for CY7C1482BV33 follows.[7]
Truth Table for Read/Write
Function (CY7C1486BV33)
GW
Read
H
Read
H
Write Byte x – (DQx and DQPx)
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
BWE
H
L
L
L
L
L
X
BWB
X
H
H
L
L
L
X
BWA
X
H
L
H
L
L
X
BWE
H
L
L
L
X
BWX
X
All BW = H
L
All BW = 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
7. BWx represents any byte write signal BW[0..7].To enable any byte write BWx, a Logic LOW signal must be applied at clock rise. Any number of bye writes can be
enabled at the same time for any given write.
Document #: 001-15145 Rev. *A
Page 11 of 34
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