CY7C1465AV33-133BGC Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY7C1465AV33-133BGC
Cypress Semiconductor
CY7C1465AV33-133BGC Datasheet PDF : 29 Pages
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CY7C1461AV33
CY7C1463AV33
CY7C1465AV33
Truth Table[2,3,4,5,6,7,8] (continued)
Operation
NOP/Dummy Read
(Begin Burst)
Dummy Read (Continue Burst)
Write Cycle (Begin Burst)
Write Cycle (Continue Burst)
NOP/Write Abort (Begin Burst)
Write Abort (Continue Burst)
Ignore Clock Edge (Stall)
Sleep Mode
Address
Used CE1 CE2 CE3 ZZ ADV/LD WE BWX OE
External L H L L
L
HX H
Next X X X L
H
XX H
External L H L L
L
LL X
Next X X X L
H
XL X
None L H L L
L
LH X
Next X X X L
H
XH X
Current X X X L
X
XX X
None X X X H
X
XX X
Truth Table for Read/Write[2, 3]
CEN CLK
DQ
L L->H Tri-State
L L->H Tri-State
L L->H Data In (D)
L L->H Data In (D)
L L->H Tri-State
L L->H Tri-State
H L->H
–
X X Tri-State
Function (CY7C1461AV33)
Read
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
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
Truth Table for Read/Write[2, 3]
Function (CY7C1463AV33)
Read
Write – No Bytes Written
Write Byte a – (DQa and DQPa)
Write Byte b – (DQb and DQPb)
Write Both Bytes
Truth Table for Read/Write[2,3, 9]
WE
BWb
BWa
H
X
X
L
H
H
L
H
L
L
L
H
L
L
L
Read
Function (CY7C1465AV33)
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 #: 38-05356 Rev. *E
Page 11 of 29
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