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EBD26UC6AKSA Datasheet(PDF) 6 Page - Elpida Memory |
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EBD26UC6AKSA Datasheet(HTML) 6 Page - Elpida Memory |
6 / 19 page ![]() EBD26UC6AKSA Preliminary Data Sheet E0307E20 (Ver. 2.0) 6 Byte No. Function described Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments 29 Minimum /RAS to /CAS delay (tRCD) -6B 0 1 0 0 1 0 0 0 48H 18ns -7A, -7B 0 1 0 1 0 0 0 0 50H 20ns 30 Minimum active to precharge time (tRAS) -6B 0 0 1 0 1 0 1 0 2AH 42ns -7A, -7B 0 0 1 0 1 1 0 1 2DH 45ns 31 Module bank density 0 0 0 0 0 0 1 0 20H 128M bytes 32 Address and command setup time before clock (tIS) -6B 0 1 1 1 0 1 0 1 75H 0.75ns *1 -7A, -7B 1 0 0 1 0 0 0 0 90H 0.9ns *1 33 Address and command hold time after clock (tIH) -6B 0 1 1 1 0 1 0 1 75H 0.75ns *1 -7A, -7B 1 0 0 1 0 0 0 0 90H 0.9ns *1 34 Data input setup time before clock (tDS) -6B 0 1 0 0 0 1 0 1 45H 0.45ns *1 -7A, -7B 0 1 0 1 0 0 0 0 50H 0.5ns *1 35 Data input hold time after clock (tDH) -6B 0 1 0 0 0 1 0 1 45H 0.45ns *1 -7A, -7B 0 1 0 1 0 0 0 0 50H 0.5ns *1 36 to 40 Superset information 0 0 0 0 0 0 0 0 00H Future use 41 Active command period (tRC) -6B 0 0 1 1 1 1 0 0 3CH 60ns *1 -7A, -7B 0 1 0 0 0 1 0 0 44H 68ns *1 42 Auto refresh to active/ Auto refresh command cycle (tRFC) -6B 0 1 0 0 1 0 0 0 48H 72ns *1 -7A, -7B 0 1 0 0 1 0 1 1 4BH 75ns *1 43 SDRAM tCK cycle max. (tCK max.) 0 0 1 1 0 0 0 0 30H 12ns* 1 44 Dout to DQS skew -6B 0 0 1 0 1 1 0 1 2DH 0.45ns *1 -7A, -7B 0 0 1 1 0 0 1 0 32H 0.5ns *1 45 Data hold skew (tQHS) -6B 0 1 0 1 0 1 0 1 55H 0.55ns *1 -7A, -7B 0 1 1 1 0 1 0 1 75H 0.75ns *1 46 to 61 Superset information 0 0 0 0 0 0 0 0 00H Future use 62 SPD Revision 0 0 0 0 0 0 0 0 00H 63 Checksum for bytes 0 to 62 -6B 1 1 1 0 1 0 0 0 E8H -7A 1 0 1 0 0 0 1 0 A2H -7B 1 1 0 0 1 1 0 1 CDH 64 to 65 Manufacturer’s JEDEC ID code 0 1 1 1 1 1 1 1 7FH Continuation code 66 Manufacturer’s JEDEC ID code 1 1 1 1 1 1 1 0 FEH Elpida Memory 67 to 71 Manufacturing location 0 0 0 0 0 0 0 0 00H 72 Module part number × × × × × × × × ×× (ASCII-8bit code) 73 Module part number 0 1 0 0 0 1 0 1 45H E 74 Module part number 0 1 0 0 0 0 1 0 42H B 75 Module part number 0 1 0 0 0 1 0 0 44H D |