データシートサーチシステム |
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AD6622 データシート(PDF) 6 Page - Analog Devices |
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AD6622 データシート(HTML) 6 Page - Analog Devices |
6 / 28 page AD6622 –6– REV. 0 1. tACC ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED FROM THE FE OF DS TO THE FE OF DTACK. 2. tACCFAST REQUIRES A MAXIMUM OF FOUR CLK PERIODS AND APPLIES TO A[2:0] = 7, 6, 3, 2, 1 3. tACCMEDIUM REQUIRES A MAXIMUM OF FIVE CLK PERIODS AND APPLIES TO A[2:0] = 4, 5, AND 0 IF THE ACCESS IS TO A CONTROL REGISTER VERSUS A RAM REGISTER. 4. tACCSLOW REQUIRES A MAXIMUM OF SIX CLK PERIODS AND APPLIES TO A[2:0] = 0 WHEN ACCESSING RAM REGISTERS. R/ W (WR) DS (RD) CS A[2:0] D[7:0] DTACK (RDY) tHRW tSAM tHAM tSAM tHAM tACC VALID ADDRESS VALID DATA tDDTACK tHDS Figure 7. MNM Microport Write Timing Requirements 1. tACC ACCESS TIME DEPENDS ON THE ADDRESS ACCESSED. ACCESS TIME IS MEASURED FROM THE FE OF DS TO THE FE OF DTACK. 2. tACCFAST REQUIRES A MAXIMUM OF FOUR CLK PERIODS AND APPLIES TO A[2:0] = 7, 6, 3, 2, 1 3. tACCMEDIUM REQUIRES A MAXIMUM OF FIVE CLK PERIODS AND APPLIES TO A[2:0] = 4, 5, AND 0 IF THE ACCESS IS TO A CONTROL REGISTER VERSUS A RAM REGISTER. 4. tACCSLOW REQUIRES A MAXIMUM OF SIX CLK PERIODS AND APPLIES TO A[2:0] = 0 WHEN ACCESSING RAM REGISTERS. R/ W (WR) DS (RD) CS A[2:0] D[7:0] DTACK (RDY) tSAM tACC VALID ADDRESS tZD VALID DATA tDD tHA tZD tHDS tDDTACK Figure 8. MNM Microport Read Timing Requirements |
同様の部品番号 - AD6622_15 |
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同様の説明 - AD6622_15 |
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