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UPD44325084 Datasheet(PDF) 19 Page - NEC |
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UPD44325084 Datasheet(HTML) 19 Page - NEC |
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19 / 36 page  19 Preliminary Data Sheet M16784EJ1V0DS µPD44325084, 44325094, 44325184, 44325364 Read and Write Timing K Address Data in /K 24 6 13 5 7 TKH/KH T/KHKH C /C TKHCH NOP READ READ TKHKL TKLKH Q00 Q02 Data out Q01 Q03 /R /W TKHKL TKLKH TCHQX1 TCHQX TCHQZ D10 D12 D11 D13 TDVKH TKHDX TDVKH TKHDX TKHKH TIVKH TKHIX TAVKH TKHAX CQ /CQ TCQHQV TCHQV TCHCQX TCHCQV TCHCQX TCHCQV WRITE NOP Qx3 TCHQX TCHQV WRITE TIVKH TKHIX A0 A1 A2 A3 D30 D32 D31 D33 Q20 Q22 Q21 Q23 Qx2 TKH/KH T/KHKH TKHCH TKHKH Remarks 1. Q00 refers to output from address A0+0. Q01 refers to output from the next internal burst address following A0,i.e.,A0+1. 2. Outputs are disable (high impedance) one clock cycle after a NOP. 3. In this example, if address A0=A1, data Q00=D10, Q01=D11. Write data is forwarded immediately as read results. |
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