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HY5DU12422CLTP-X Datasheet(PDF) 24 Page - Hynix Semiconductor |
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HY5DU12422CLTP-X Datasheet(HTML) 24 Page - Hynix Semiconductor |
24 / 31 page Rev. 1.0 / Mar. 2005 24 1 HY5DU12422C(L)TP HY5DU12822C(L)TP HY5DU121622C(L)TP AC CHARACTERISTICS (note: 1 - 9 / AC operating conditions unless otherwise noted) Parameter Symbol DDR400B DDR333 DDR266A DDR266B DDR200 UNIT Min Max Min Max Min Max Min Max Min Max Row Cycle Time tRC 55 - 60 - 65 - 65 - 70 - ns Auto Refresh Row Cycle Time tRFC 70 - 72 - 75 - 75 - 80 - ns Row Active Time tRAS 40 70K 42 70K 45 120K 45 120K 50 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 15 - 18 - 20 - 20 - 20 - ns Row Active to Row Active Delay tRRD 10 - 12 - 15 - 15 - 15 - ns Column Address to Column Address Delay tCCD 1- 1 - 1 - 1- 1 - tCK Row Precharge Time tRP 15 - 18 - 20 - 20 - 20 - ns Write Recovery Time tWR 15 - 15 - 15 - 15 - 15 - ns Internal Write to Read Command Delay tWTR 2- 1 - 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 = 3 tCK 5 10 - - - - --- - CL = 2.5 - - 6 12 7.5 12 7.5 12 8.0 12 ns CL = 2 - - 7.5 12 7.5 121012 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 -0.7 0.7 -0.7 0.7 -0.75 0.75 -0.75 0.75 -0.75 0.75 ns DQS-Out edge to Clock edge Skew tDQSCK -0.55 0.55 -0.6 0.6 -0.75 0.75 -0.75 0.75 -0.75 0.75 ns DQS-Out edge to Data- Out edge Skew21 tDQSQ - 0.4 - 0.45 - 0.5 - 0.5 - 0.6 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 - 0.55 - 0.75 - 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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