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MC-458CB646EFB-A10 Folha de dados(PDF) 9 Page - NEC |
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MC-458CB646EFB-A10 Folha de dados(HTML) 9 Page - NEC |
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9 / 16 page  Data Sheet M13049EJ7V0DS00 9 MC-458CB646 Asynchronous Characteristics Parameter Symbol -A 80 -A 10 Unit Note MIN. MAX. MIN. MAX. REF to REF/ACT command period tRC 70 70 ns ACT to PRE command period tRAS 48 120,000 50 120,000 ns PRE to ACT command period tRP 20 20 ns Delay time ACT to READ/WRITE command tRCD 20 20 ns ACT(one) to ACT(another) command period tRRD 16 20 ns Data-in to PRE command period tDPL 810 ns Data-in to ACT(REF) command period /CAS latency = 3 tDAL3 1CLK+20 1CLK+20 ns (Auto precharge) /CAS latency = 2 tDAL2 1CLK+20 1CLK+20 ns Mode register set cycle time tRSC 22 CLK Transition time tT 0.5 30 1 30 ns Refresh time (4,096 refresh cycles) tREF 64 64 ms |
Nº de peça semelhante - MC-458CB646EFB-A10 |
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Descrição semelhante - MC-458CB646EFB-A10 |
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