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CY7C1444KV33 数据表(PDF) 16 Page - Cypress Semiconductor |
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CY7C1444KV33 数据表(HTML) 16 Page - Cypress Semiconductor |
16 / 22 page CY7C1444KV33 CY7C1445KV33 Document Number: 001-66678 Rev. *G Page 16 of 22 Figure 5. Read/Write Cycle Timing [21, 22, 23] Switching Waveforms (continued) tCYC tCL CLK ADSP tADH tADS ADDRESS tCH OE ADSC CE tAH tAS A2 tCEH tCES Data Out (Q) High-Z ADV Single WRITE D(A3) A4 A5 A6 D(A5) D(A6) Data In (D) BURST READ Back-to-Back READs High-Z Q(A2) Q(A1) Q(A4) Q(A4+1) Q(A4+2) tWEH tWES Q(A4+3) tOEHZ tDH tDS tOELZ tCLZ tCO Back-to-Back WRITEs A1 BWE, BWX A3 DON’T CARE UNDEFINED Notes 21. On 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. 22. The data bus (Q) remains in high Z following a Write cycle, unless a new read access is initiated by ADSP or ADSC. 23. GW is HIGH. |
类似零件编号 - CY7C1444KV33 |
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类似说明 - CY7C1444KV33 |
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