Cypress CY7C1380D, CY7C1380F, CY7C1382D, CY7C1382F Truth Table for Read/Write

CY7C1380D, CY7C1382D
CY7C1380F, CY7C1382F
Document #: 38-05543 Rev. *F Page 11 of 34
Truth Table for Read/Write [4, 9]
Function (CY7C1380D/CY7C1380F) 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 – (DQC 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 – (DQD and DQPD) HLLHHH
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 for Read/Write [4, 9]
Function (CY7C1382D/CY7C1382F) GW BWE BWBBWA
Read H H X X
Read H L H H
Write Byte A – (DQA and DQPA)HLHL
Write Byte B – (DQB and DQPB)HLLH
Write Bytes B, A H L L L
Write All Bytes H L L L
Write All Bytes L X X X
Note
9. Table only lists a partial listing of the byte write combinations. Any combination of BWX is valid. Appropriate write is done based on which byte write is active.
[+] Feedback