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W9412G6JH-5 Datasheet(PDF) 26 Page - Winbond |
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W9412G6JH-5 Datasheet(HTML) 26 Page - Winbond |
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26 / 53 page  W9412G6JH Publication Release Date: Nov. 29, 2011 - 26 - Revision A03 9.6 AC Characteristics and Operating Condition SYM. PARAMETER -4 -5/-5I/-5K -6I UNIT NOTES MIN. MAX. MIN. MAX. MIN. MAX. tRC Active to Ref/Active Command Period 48 50 54 nS tRFC Ref to Ref/Active Command Period 60 70 70 tRAS Active to Precharge Command Period 40 70000 40 70000 42 100000 tRCD Active to Read/Write Command Delay Time 16 15 18 tRAP Active to Read with Auto-precharge Enable 16 15 18 tCCD Read/Write(a) to Read/Write(b) Command Period 1 1 1 tCK tRP Precharge to Active Command Period 16 15 18 nS tRRD Active(a) to Active(b) Command Period 12 10 12 tWR Write Recovery Time 12 15 15 tDAL Auto-precharge Write Recovery + Precharge Time (tWR/tCK) + (tRP/tCK) (tWR/tCK) + (tRP/tCK) (tWR/tCK) + (tRP/tCK) tCK 18 tCK CLK Cycle Time CL = 2 - - 7.5 12 7.5 12 nS CL = 2.5 - - 6 12 6 12 CL = 3 4 12 5 12 6 12 CL = 4 4 12 - - - - tAC Data Access Time from CLK, CLK -0.65 0.65 -0.7 0.7 -0.7 0.7 16 tDQSCK DQS Output Access Time from CLK, CLK -0.55 0.55 -0.6 0.6 -0.6 0.6 tDQSQ Data Strobe Edge to Output Data Edge Skew 0.4 0.4 0.4 tCH CLk High Level Width 0.45 0.55 0.45 0.55 0.45 0.55 tCK 11 tCL CLK Low Level Width 0.45 0.55 0.45 0.55 0.45 0.55 tHP CLK Half Period (minimum of actual tCH, tCL) min (tCL,tCH) min, (tCL,tCH) min, (tCL,tCH) nS tQH DQ Output Data Hold Time from DQS tHP-0.5 tHP-0.5 tHP-0.5 tRPRE DQS Read Preamble Time 0.9 1.1 0.9 1.1 0.9 1.1 tCK 11 tRPST DQS Read Postamble Time 0.4 0.6 0.4 0.6 0.4 0.6 tDS DQ and DM Setup Time 0.4 0.4 0.4 nS tDH DQ and DM Hold Time 0.4 0.4 0.4 tDIPW DQ and DM Input Pulse Width (for each input) 1.75 1.75 1.75 tDQSH DQS Input High Pulse Width 0.35 0.35 0.35 tCK 11 tDQSL DQS Input Low Pulse Width 0.35 0.35 0.35 tDSS DQS Falling Edge to CLK Setup Time 0.2 0.2 0.2 tDSH DQS Falling Edge Hold Time from CLK 0.2 0.2 0.2 tWPRES Clock to DQS Write Preamble Set-up Time 0 0 0 nS |
Similar Part No. - W9412G6JH-5 |
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Similar Description - W9412G6JH-5 |
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