CY7C1212H-133AXI Ver la hoja de datos (PDF) - Cypress Semiconductor
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CY7C1212H-133AXI Datasheet PDF : 15 Pages
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Truth Table[2, 3, 4, 5, 6, 7] (continued)
Next Cycle
Begin Write
Add. Used CE1 CE2 CE3 ZZ
Current
HXX L
Begin Write
External
L
HL
L
Continue Write Next
XXX L
Continue Write Next
HXX L
Suspend Write Current
XXX L
Suspend Write Current
HXX L
ZZ “Sleep”
None
XXX H
Truth Table for Read/Write[2, 3]
Function
Read
Read
Write Byte A – (DQA and DQPA)
Write Byte B – (DQB and DQPB)
Write All Bytes
Write All Bytes
ADSP
X
H
H
X
H
X
X
ADSC
H
H
H
H
H
H
X
ADV
H
X
H
H
H
H
X
GW
BWE
H
H
H
L
H
L
H
L
H
L
L
X
CY7C1212H
OE
DQ
X
Tri-State
X
Tri-State
X
Tri-State
X
Tri-State
X
Tri-State
X
Tri-State
X
Tri-State
Write
Write
Write
Write
Write
Write
Write
X
BWB
X
H
H
L
L
X
BWA
X
H
L
H
L
X
Document #: 38-05668 Rev. *B
Page 6 of 15
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