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MSM514262-80JS Datasheet(PDF) 7 Page - OKI electronic componets |
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MSM514262-80JS Datasheet(HTML) 7 Page - OKI electronic componets |
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7 / 45 page  ¡ Semiconductor MSM514262 7/45 AC Characteristics (2/3) Parameter Symbol Note Unit ns 55 45 45 ns 0 0 0 ns 0 0 0 ns 20 0 10 0 10 0 ns 10 10 10 tRWD tCWD tDZC tDZO tCSR tREF tWSR Max. Min. Max. Min. Max. Min. -10 -80 -70 ns 130 100 100 ms 8 8 8 0 0 0 tAWD ns 80 65 65 ns 25 — 20 — 20 — tOEA ns 20 10 10 ns 10 10 10 tCHR ns 0 0 0 tRPC tOEZ tOEH ns 15 15 15 tROH tRWH 15 15 15 tMS 0 0 0 tMH 15 15 15 tTHS 0 0 0 tTHH 15 15 15 tTLS 0 0 0 tTLH 15 15 15 12 12 ns ns ns ns ns ns ns ns 10k 10k 10k tRTH 80 65 60 ns 10k 10k 10k tATH 30 30 25 ns tCTH 25 25 20 ns tESR tREH ns 0 0 0 15 15 15 ns 12 Column Address to WE Delay Time CAS Hold Time for CAS before RAS Cycle CAS Set-up Time for CAS before RAS Cycle CAS to WE Delay Time Data to CAS Delay Time Data to OE Delay Time SE Set-up Time referenced to RAS Write Per Bit Mask Data Hold Time Write Per Bit Mask Data Set-up Time OE Command Hold Time Refresh Period SE Hold Time referenced to RAS RAS Hold Time referenced to OE RAS Precharge to CAS Active Time RAS to WE Delay Time WB Hold Time Access Time from OE WB Set-up Time Output Buffer Turn-off Delay from OE DT Low Hold Time referenced to Column Address (Real Time Read Transfer) DT Low Hold Time referenced to CAS (Real Time Read Transfer) — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — DT High Hold Time DT High Set-up Time DT Low Hold Time DT Low Set-up Time DT Low Hold Time referenced to RAS (Real Time Read Transfer) ns — 0 — 0 — 0 tDS ns 70 55 55 tDHR ns 15 15 15 tDH 11 11 Data Hold Time Data Hold Time referenced to RAS Data Set-up Time — — — — — — tWCS 0 0 0ns — — — Write Command Set-up Time 12 ns — 20 — 10 — 10 tOED OE to Data Delay Time (VCC = 5 V ±10%, Ta = 0°C to 70°C) Note 4, 5, 6 9 7 tFSR 0 0 0 ns DSF Set-up Time referenced to RAS — — — tRFH 15 15 15 ns DSF Hold Time referenced to RAS (1) — — — tFHR 70 55 55 ns DSF Hold Time referenced to RAS (2) — — — tFSC 0 0 0 ns DSF Set-up Time referenced to CAS — — — tCFH 15 15 15 ns DSF Hold Time referenced to CAS — — — |
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