Cypress CY7C1218H - Manual (Page 6)

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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