CY7C1383D-133AXC(2004) 查看數據表（PDF） - Cypress Semiconductor
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CY7C1383D-133AXC Datasheet PDF : 29 Pages
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PRELIMINARY
CY7C1381D
CY7C1383D
Truth Table (continued)[ 3, 4, 5, 6, 7]
Cycle Description
ADDRESS
Used CE1 CE2 CE3 ZZ
Read Cycle, Begin Burst
External L H L L
Read Cycle, Begin Burst
External L H L L
Read Cycle, Continue Burst Next
X X XL
Read Cycle, Continue Burst Next
X X XL
Read Cycle, Continue Burst Next
H X XL
Read Cycle, Continue Burst Next
H X XL
Write Cycle, Continue Burst Next
X X XL
Write Cycle, Continue Burst Next
H X XL
Read Cycle, Suspend Burst Current X X X L
Read Cycle, Suspend Burst Current X X X L
Read Cycle, Suspend Burst Current H X X L
Read Cycle, Suspend Burst Current H X X L
Write Cycle, Suspend Burst Current X X X L
Write Cycle, Suspend Burst Current H X X L
ADSP
H
H
H
H
X
X
H
X
H
H
X
X
H
X
ADSC ADV WRITE OE CLK DQ
L
X
H
L L-H Q
L
X
H
H L-H Tri-State
H
L
H
L L-H Q
H
L
H
H L-H Tri-State
H
L
H
L L-H Q
H
L
H
H L-H Tri-State
H
L
L
X L-H D
H
L
L
X L-H D
H
H
H
L L-H Q
H
H
H
H L-H Tri-State
H
H
H
L L-H Q
H
H
H
H L-H Tri-State
H
H
L
X L-H D
H
H
L
X L-H D
Partial Truth Table for Read/Write[3, 8]
Read
Function (CY7C1381D)
GW
BWE
BWD
BWC
BWB
BWA
H
H
X
X
X
X
Read
H
L
H
H
H
H
Write Byte A (DQA, DQPA)
H
L
H
H
H
L
Write Byte B(DQB, DQPB)
H
L
H
H
L
H
Write Bytes A, B (DQA, DQB, DQPA, DQPB)
H
L
H
H
L
L
Write Byte C (DQC, DQPC)
H
L
H
L
H
H
Write Bytes C, A (DQC, DQA, DQPC, DQPA)
H
L
H
L
H
L
Write Bytes C, B (DQC, DQB, DQPC, DQPB)
H
L
H
L
L
H
Write Bytes C, B, A (DQC, DQB, DQA, DQPC,
H
L
H
L
L
L
DQPB, DQPA)
Write Byte D (DQD, DQPD)
H
L
L
H
H
H
Write Bytes D, A (DQD, DQA, DQPD, DQPA)
H
L
L
H
H
L
Write Bytes D, B (DQD, DQA, DQPD, DQPA)
H
L
L
H
L
H
Write Bytes D, B, A (DQD, DQB, DQA, DQPD,
H
L
L
H
L
L
DQPB, DQPA)
Write Bytes D, B (DQD, DQB, DQPD, DQPB)
H
L
L
L
H
H
Write Bytes D, B, A (DQD, DQC, DQA, DQPD,
H
L
L
L
H
L
DQPC, DQPA)
Write Bytes D, C, A ( DQD, DQB, DQA, DQPD,
H
L
L
L
L
H
DQPB, DQPA)
Write All Bytes
H
L
L
L
L
L
Write All Bytes
L
X
X
X
X
X
Note:
8. Table only lists a partial listing of the byte write combinations. Any Combination of BWX is valid Appropriate write will be done based on which byte write is active.
Document #: 38-05544 Rev. *A
Page 9 of 29
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