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H5TC4G43BFR-RDA датащи(PDF) 31 Page - Hynix Semiconductor |
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H5TC4G43BFR-RDA датащи(HTML) 31 Page - Hynix Semiconductor |
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31 / 33 page ![]() Rev. 1.0 / Nov. 2013 31 DDR3L-1866 Speed Bins For specific Notes See "Speed Bin Table Notes" on page 32. Speed Bin DDR3L-1866M Unit Note CL - nRCD - nRP 13-13-13 Parameter Symbol min max Internal read command to first data tAA 13.91 (13.125)5,13 20 ns ACT to internal read or write delay time tRCD 13.91 (13.125)5,13 —ns PRE command period tRP 13.91 (13.125)5,13 —ns ACT to PRE command period tRAS 34 9 * tREFI ns ACT to ACT or PRE command period tRC 47.91 (47.125)5,13 -ns CL = 5 CWL = 5 tCK(AVG) 3.0 3.3 ns 1, 2, 3, 4, 9 CWL = 6,7,8,9 tCK(AVG) Reserved ns 4 CL = 6 CWL = 5 tCK(AVG) 2.5 3.3 ns 1, 2, 3, 9 CWL = 6 tCK(AVG) Reserved ns 1, 2, 3, 4, 9 CWL = 7,8,9 tCK(AVG) Reserved ns 4 CL = 7 CWL = 5 tCK(AVG) Reserved ns 4 CWL = 6 tCK(AVG) 1.875 < 2.5 ns 1, 2, 3, 4, 9 (optional) CWL = 7,8,9 tCK(AVG) Reserved ns 4 CL = 8 CWL = 5 tCK(AVG) Reserved ns 4 CWL = 6 tCK(AVG) 1.875 < 2.5 ns 1, 2, 3, 9 CWL = 7 tCK(AVG) Reserved ns 1, 2, 3, 4, 9 CWL = 8,9 tCK(AVG) Reserved ns 4 CL = 9 CWL = 5, 6 tCK(AVG) Reserved ns 4 CWL = 7 tCK(AVG) 1.5 <1.875 ns 1, 2, 3, 4, 9 (optional) CWL = 8 tCK(AVG) Reserved ns 1, 2, 3, 4, 9 CWL = 9 tCK(AVG) Reserved ns 4 CL = 10 CWL = 5, 6 tCK(AVG) Reserved ns 4 CWL = 7 tCK(AVG) 1.5 <1.875 ns 1, 2, 3, 9 CWL = 8 tCK(AVG) Reserved ns 1, 2, 3, 4, 9 CL = 11 CWL = 5,6,7 tCK(AVG) Reserved ns 4 CWL = 8 tCK(AVG) 1.25 <1.5 ns 1, 2, 3, 4, 9 (optional) CWL = 9 tCK(AVG) Reserved ns 1, 2, 3, 4 CL = 12 CWL = 5,6,7,8 tCK(AVG) Reserved ns 4 CWL = 9 tCK(AVG) Reserved ns 1,2,3,4 CL = 13 CWL = 5,6,7,8 tCK(AVG) Reserved ns 4 CWL = 9 tCK(AVG) 1.07 <1.25 ns 1, 2, 3 Supported CL Settings 6, 7, 8, 9, 10, 11, 13 nCK Supported CWL Settings 5, 6, 7, 8, 9 nCK |
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