CY7C1441AV33(2013) Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY7C1441AV33 Datasheet PDF : 34 Pages
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CY7C1441AV33
Truth Table for Read/Write
Function (CY7C1441AV33) [6, 7]
GW
Read
H
Read
H
Write Byte A (DQA, DQPA)
H
Write Byte B(DQB, DQPB)
H
Write Bytes A, B (DQA, DQB, DQPA, DQPB)
H
Write Byte C (DQC, DQPC)
H
Write Bytes C, A (DQC, DQA, DQPC, DQPA)
H
Write Bytes C, B (DQC, DQB, DQPC, DQPB)
H
Write Bytes C, B, A (DQC, DQB, DQA, DQPC, DQPB,
H
DQPA)
Write Byte D (DQD, DQPD)
H
Write Bytes D, A (DQD, DQA, DQPD, DQPA)
H
Write Bytes D, B (DQD, DQA, DQPD, DQPA)
H
Write Bytes D, B, A (DQD, DQB, DQA, DQPD, DQPB,
H
DQPA)
Write Bytes D, B (DQD, DQB, DQPD, DQPB)
H
Write Bytes D, B, A (DQD, DQC, DQA, DQPD, DQPC,
H
DQPA)
Write Bytes D, C, A (DQD, DQB, DQA, DQPD, DQPB,
H
DQPA)
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
Notes
6. X = “Don't Care.†H = Logic HIGH, L = Logic LOW.
7. Table only lists a partial listing of the byte write combinations. Any Combination of BWX is valid Appropriate write is done based on which byte write is active.
Document Number: 38-05357 Rev. *K
Page 10 of 34
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