CY7C1473V33-133AXC(2004) 데이터 시트보기 (PDF) - Cypress Semiconductor
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CY7C1473V33-133AXC
(Rev.:2004)
(Rev.:2004)
Cypress Semiconductor
CY7C1473V33-133AXC Datasheet PDF : 29 Pages
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PRELIMINARY
CY7C1471V33
CY7C1473V33
CY7C1475V33
Truth Table (continued)[2, 3, 4, 5, 6, 7, 8]
Operation
Address
Used CE1 CE2 CE3 ZZ ADV/LD WE BWX OE CEN CLK
DQ
Write Cycle (Continue Burst) Next X X X L
H
X
L
X
L L->H Data In (D)
NOP/Write Abort (Begin Burst) None L H L L
L
L
HX
L L->H Tri-State
Write Abort (Continue Burst) Next X X X L
H
X
HX
L L->H Tri-State
Ignore Clock Edge (Stall) Current X X X L
X
X
X
X
H L->H
-
Sleep Mode
None X X X H
X
X
X
X
X X Tri-State
Truth Table for Read/Write[2, 3, 9]
Read
Function (CY7C1471V33)
Write No bytes written
Write Byte A – (DQA and DQPA)
Write Byte B – (DQB and DQPB)
Write Byte C – (DQC and DQPC)
Write Byte D – (DQD and DQPD)
Write All Bytes
Truth Table for Read/Write[2, 3, 9]
WE
BWA
BWB
BWC
BWD
H
X
X
X
X
L
H
H
H
H
L
L
H
H
H
L
H
L
H
H
L
H
H
L
H
L
H
H
H
L
L
L
L
L
L
Read
Function (CY7C1473V33)
WE
BWB
BWA
H
X
X
Write – No Bytes Written
L
H
H
Write Byte a – (DQa and DQPa)
Write Byte b – (DQb and DQPb)
Write Both Bytes
Truth Table for Read/Write[2, 3, 9]
L
H
L
L
L
H
L
L
L
Read
Function (CY7C1475V33)
WE
BWx
H
X
Write – No Bytes Written
L
H
Write Byte X − (DQx and DQPx)
Write All Bytes
L
L
L
All BW = L
Note:
9. 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 #: 38-05288 Rev. *E
Page 11 of 29
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