Cypress CY7C1218H Truth Table for Read/Write, Truth Table

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 HXXXXXXXTri-State X
Truth Table for Read/Write[2, 3]
Function GW BWE BWDBWCBWBBWA
Read HHXXXX
Read HL HHHH
Write Byte A – (DQA and DQPA) HL HHHL
Write Byte B – (DQB and DQPB)HLHHLH
Write Bytes B, A H L H H L L
Write Byte C – (D QC and DQPC) HLHLHH
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 – (D QD and DQPD) HLL HHH
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 HLLLLH
Write All Bytes HLLLLL
Write All Bytes LXXXXX
Truth Table[2, 3, 4, 5, 6, 7] (continued)
Next Cycle Add. Used ZZ CE1CE2CE3ADSP ADSC ADV OE DQ Write
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