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CY7C1471V33 Datasheet(PDF) 9 Page - Cypress Semiconductor |
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CY7C1471V33 Datasheet(HTML) 9 Page - Cypress Semiconductor |
9 / 22 page CY7C1471V33 Document Number: 38-05288 Rev. *N Page 9 of 22 Truth Table for Read/Write The read-write truth table for CY7C1471V33 follows. [8, 9, 10] Function WE BWA BWB BWC BWD Read H X X X X Write no bytes written L H H H H Write byte A – (DQA and DQPA)L L H H H Write byte B – (DQB and DQPB)L H L H H Write byte C – (DQC and DQPC)L H H L H Write byte D – (DQD and DQPD)L H H H L Write all bytes LLL LL Notes 8. X = “Don't Care.” H = Logic HIGH, L = Logic LOW. BWX = L signifies at least one byte write select is active, BWX = valid signifies that the desired byte write selects are asserted, see Truth Table for Read/Write for details. 9. Write is defined by BWX, and WE. See Truth Table for Read/Write. 10. Table only lists a partial listing of the byte write combinations. Any combination of BWX is valid. Appropriate write is based on which byte write is active. |
Similar Part No. - CY7C1471V33_12 |
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Similar Description - CY7C1471V33_12 |
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