CY7C1218H
Document #: 38-05667 Rev. *B
Page 6 of 16
Continue Write
Next
L
X
X
X
H
H
H
X
Tri-State
Write
Continue Write
Next
L
H
X
X
X
H
H
X
Tri-State
Write
Suspend Write
Current
L
X
X
X
H
H
H
X
Tri-State
Write
Suspend Write
Current
L
H
X
X
X
H
H
X
Tri-State
Write
ZZ “Sleep”
None
H
X
X
X
X
X
X
X
Tri-State
X
Truth Table for Read/Write
[2, 3]
Function
GW
BWE
BW
D
BW
C
BW
B
BW
A
Read
H
H
X
X
X
X
Read
H
L
H
H
H
H
Write Byte A – (DQ
A
and DQP
A
)
H
L
H
H
H
L
Write Byte B – (DQ
B
and DQP
B
)
H
L
H
H
L
H
Write Bytes B, A
H
L
H
H
L
L
Write Byte C – (DQ
C
and DQP
C
)
H
L
H
L
H
H
Write Bytes C, A
H
L
H
L
H
L
Write Bytes C, B
H
L
H
L
L
H
Write Bytes C, B, A
H
L
H
L
L
L
Write Byte D – (DQ
D
and DQP
D
)
H
L
L
H
H
H
Write Bytes D, A
H
L
L
H
H
L
Write Bytes D, B
H
L
L
H
L
H
Write Bytes D, B, A
H
L
L
H
L
L
Write Bytes D, C
H
L
L
L
H
H
Write Bytes D, C, A
H
L
L
L
H
L
Write Bytes D, C, B
H
L
L
L
L
H
Write All Bytes
H
L
L
L
L
L
Write All Bytes
L
X
X
X
X
X
Truth Table
[2, 3, 4, 5, 6, 7]
(continued)
Next Cycle
Add. Used
ZZ
CE
1
CE
2
CE
3
ADSP
ADSC
ADV
OE
DQ
Write
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