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MSM514262-70JS Datasheet(PDF) 6 Page - OKI electronic componets |
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MSM514262-70JS Datasheet(HTML) 6 Page - OKI electronic componets |
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6 / 45 page  ¡ Semiconductor MSM514262 6/45 AC Characteristics (1/3) Parameter Symbol Note Unit ns 180 150 — 140 ns 55 40 35 — ns 25 25 20 — ns 50 45 40 — ns 35 3 35 3 35 3 ns 100k 100 100k 80 100k 70 tRC tPRWC tAA tCAC tCPA tRASP tCAS tRCD Max. Min. Max. Min. Max. Min. -10 -80 -70 ns 100 90 — 90 ns 10k 25 10k 25 10k 20 13 20 20 20 ns 55 50 — 45 tPC tRAC ns 100 80 70 — 9 ns 20 0 20 0 20 0 tOFF ns — 70 — 60 — 60 ns — 25 — 25 — 20 tRSH ns — 100 — 80 — 70 tCSH tT tRP ns 10k 100 10k 80 10k 70 tRAS tRAD 13 20 15 15 tASR 0 0 0 tRAH 10 10 10 tASC 0 0 0 tCAH 15 15 15 tAR 70 55 55 tRCS 0 0 0 tRCH 10 0 0 0 tRRH 10 0 0 0 tWCH 15 15 15 tWCR 70 55 55 tWP 15 15 15 tRWL 25 20 20 tCWL 25 20 20 7, 13 7, 14 7, 14 7, 13 6 ns 75 55 50 ns 50 40 35 ns ns ns ns ns ns ns ns ns ns ns ns ns ns 235 195 — 195 tRWC tRAL tCRP ns — 55 — 40 — 35 10 10 10 tCP 10 10 10 ns ns — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — Access Time from Column Address Column Address Hold Time referenced to RAS Column Address Set-up Time Row Address Set-up Time Access Time from CAS Column Address Hold Time CAS Pulse Width CAS Precharge Time (Fast Page Mode) Access Time from CAS Precharge CAS to RAS Precharge Time CAS Hold Time Write Command to CAS Lead Time Output Buffer Turn-off Delay Fast Page Mode Cycle Time Fast Page Mode Read Modify Write Cycle Time Row Address Hold Time RAS Pulse Width (Fast Page Mode Only) Random Read or Write Cycle Time RAS to CAS Delay Time Read Command Hold Time Read Command Set-up Time Read Modify Write Cycle Time RAS Precharge Time Read Command Hold Time referenced to RAS Write Command to RAS Lead Time Access Time from RAS RAS to Column Address Delay Time Column Address to RAS Lead Time RAS Pulse Width RAS Hold Time Transition Time (Rise and Fall) Write Command Hold Time referenced to RAS Write Command Pulse Width Write Command Hold Time tCPN 10 10 10 ns — — — CAS Precharge Time (VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 4, 5, 6 |
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