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CY7C1441KV25 Datasheet(PDF) 22 Page - Cypress Semiconductor |
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CY7C1441KV25 Datasheet(HTML) 22 Page - Cypress Semiconductor |
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22 / 29 page  Document Number: 001-94722 Rev. *E Page 22 of 29 CY7C1441KV25 Figure 5. Write Cycle Timing [24, 25] Timing Diagrams (continued) tCYC t CL CLK tADH tADS ADDRESS t CH tAH tAS A1 tCEH tCES High-Z BURST READ BURST WRITE D(A2) D(A2 + 1) D(A2 + 1) D(A1) D(A3) D(A3 + 1) D(A3 + 2) D(A2 + 3) A2 A3 Extended BURST WRITE D(A2 + 2) Single WRITE tADH tADS tADH tADS t OEHZ tADVH tADVS tWEH tWES t DH t DS t WEH t WES Byte write signals are ignored for first cycle when ADSP initiates burst ADSC extends burst ADV suspends burst DON’T CARE UNDEFINED ADSP ADSC BWE, BW X GW CE ADV OE Data in (D) Data Out (Q) Notes 24. In this diagram, when CE is LOW: CE1 is LOW, CE2 is HIGH, and CE3 is LOW. When CE is HIGH: CE1 is HIGH or CE2 is LOW or CE3 is HIGH. 25. Full width write is initiated by either GW LOW; or by GW HIGH, BWE LOW, and BWX LOW. |
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