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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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MSM514256C Scheda tecnica(PDF) 6 Page - OKI electronic componets |
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MSM514256C Scheda tecnica(HTML) 6 Page - OKI electronic componets |
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6 / 17 page  6/17 ¡ Semiconductor MSM514256C/CL AC Characteristics (1/2) Random Read or Write Cycle Time Read Modify Write Cycle Time Fast Page Mode Cycle Time Fast Page Mode Read Modify Write Cycle Time Access Time from RAS Access Time from CAS Access Time from Column Address Access Time from OE Output Low Impedance Time from CAS Transition Time Refresh Period Refresh Period (L-version) RAS Precharge Time RAS Pulse Width (Fast Page Mode) RAS Hold Time CAS Precharge Time (Fast Page Mode) CAS Pulse Width RAS Pulse Width CAS Hold Time CAS to RAS Precharge Time RAS to CAS Delay Time RAS to Column Address Delay Time Row Address Set-up Time Row Address Hold Time Column Address Set-up Time Column Address Hold Time Column Address Hold Time from RAS Column Address to RAS Lead Time Access Time from CAS Precharge OE to Data Output Buffer Turn-off Delay Time RAS Hold Time referenced to OE RAS Hold Time from CAS Precharge CAS to Data Output Buffer Turn-off Delay Time tRC tRWC tPC tPRWC tRAC tCAC tAA tOEA tCLZ tOFF tT tREF tREF tRP tRAS tRASP tRSH tCP tCAS tCSH tCRP tRCD tRAD tASR tRAH tASC tCAH tAR tRAL tCPA tOEZ tROH tRHCP Parameter MSM514256 C/CL-45 MSM514256 C/CL-50 MSM514256 C/CL-60 MSM514256 C/CL-70 (VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 1, 2, 3, 4, 5 Symbol Min. 90 140 34 75 — — — — 0 0 3 — — 35 45 45 14 10 14 45 5 17 12 0 7 0 12 35 24 — 0 10 Max. — — — — 45 14 24 28 — 10 50 8 64 — 10,000 100,000 — — 10,000 — — 31 21 — — — — — — 14 10 — Min. 100 150 36 77 — — — — 0 0 3 — — 40 50 50 14 10 14 50 5 18 13 0 8 0 13 40 26 — 0 10 Max. — — — — 50 14 26 30 — 10 50 8 64 — 10,000 100,000 — — 10,000 — — 36 24 — — — — — — 14 10 — Min. 120 170 40 90 — — — — 0 0 3 — — 50 60 60 15 10 15 60 5 20 15 0 10 0 15 50 30 — 0 10 Max. — — — — 60 15 30 35 — 10 50 8 64 — 10,000 100,000 — — 10,000 — — 45 30 — — — — — — 15 10 — Min. 130 185 45 95 — — — — 0 0 3 — — 50 70 70 20 10 20 70 5 20 15 0 10 0 15 55 35 — 0 10 Max. — — — — 70 20 35 40 — 10 50 8 64 — 10,000 100,000 — — 10,000 — — 50 35 — — — — — — 20 10 — Unit ns ns ns ns ns ns ns ns ns ns ns ms ms ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns ns Note 6, 7, 8 6, 7 6, 8 6 6 9 3 7 8 6 9 28—30—35—40— ns |
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