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H5DU5182EFR-FAC Datasheet(PDF) 22 Page - Hynix Semiconductor |
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H5DU5182EFR-FAC Datasheet(HTML) 22 Page - Hynix Semiconductor |
22 / 30 page Rev. 1.0 / Nov. 2009 22 1H5DU5182EFR H5DU5162EFR AC CHARACTERISTICS (note: 1 - 9 / AC operating conditions unless otherwise noted) Parameter Symbol DDR500 DDR400B DDR333 DDR266A DDR266B UNIT Min Max Min Max Min Max Min Max Min Max Row Cycle Time tRC 48 - 55 - 60 - 65 - 65 - ns Auto Refresh Row Cycle Time tRFC 56 - 70 - 72 - 75 - 75 - ns Row Active Time tRAS 32 70K 40 70K 42 70K 45 120K 45 120K ns Active to Read with Auto Precharge Delay tRAP tRCD or tRASmin - tRCD or tRASmin - tRCD or tRASmin - tRCD or tRASmin - tRCD or tRASmin -ns Row Address to Column Address Delay tRCD 16 - 15 - 18 - 20 - 20 - ns Row Active to Row Active Delay tRRD 8 - 10 - 12 - 15 - 15 - ns Column Address to Column Address Delay tCCD 1- 1 - 1 - 1- 1 - tCK Row Precharge Time tRP 16 - 15 - 18 - 20 - 20 - ns Write Recovery Time tWR 15 - 15 - 15 - 15 - 15 - ns Internal Write to Read Command Delay tWTR 2- 2 - 1 - 1- 1 - tCK Auto Precharge Write Recovery + Precharge Time22 tDAL (tWR/tCK) + (tRP/tCK) - (tWR/tCK) + (tRP/tCK) - (tWR/tCK) + (tRP/tCK) - (tWR/tCK) + (tRP/tCK) - (tWR/tCK) + (tRP/tCK) -tCK System Clock Cycle Time24 CL = 4 tCK 47 ns CL = 3 5 10 - --- - - ns CL = 2.5 6 12 6 12 7.5 12 7.5 12 ns CL = 2 7.5 12 7.5 12 7.5 12 10 12 ns Clock High Level Width tCH 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 tCK Clock Low Level Width tCL 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 0.45 0.55 tCK Data-Out edge to Clock edge Skew tAC -0.65 0.65 -0.7 0.7 -0.7 0.7 -0.75 0.75 -0.75 0.75 ns DQS-Out edge to Clock edge Skew tDQSCK -0.55 0.55 -0.55 0.55 -0.6 0.6 -0.75 0.75 -0.75 0.75 ns DQS-Out edge to Data- Out edge Skew21 tDQSQ - 0.35 - 0.4 - 0.45 - 0.5 - 0.5 ns Data-Out hold time from DQS20 tQH tHP -tQHS - tHP -tQHS - tHP -tQHS - tHP -tQHS - tHP -tQHS -ns Clock Half Period19,20 tHP min (tCL,tCH) - min (tCL,tCH) - min (tCL,tCH) - min (tCL,tCH) - min (tCL,tCH) -ns Data Hold Skew Factor20 tQHS - 0.5 - 0.5 - 0.55 - 0.75 - 0.75 ns Valid Data Output Window tDV tQH-tDQSQ tQH-tDQSQ tQH-tDQSQ tQH-tDQSQ tQH-tDQSQ ns |
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