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EBD26UC6AKSA Datasheet(PDF) 5 Page - Elpida Memory |
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EBD26UC6AKSA Datasheet(HTML) 5 Page - Elpida Memory |
5 / 19 page ![]() EBD26UC6AKSA Preliminary Data Sheet E0307E20 (Ver. 2.0) 5 Serial PD Matrix Byte No. Function described Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Hex value Comments 0 Number of bytes utilized by module manufacturer 1 0 0 0 0 0 0 0 80H 128 bytes 1 Total number of bytes in serial PD device 0 0 0 0 1 0 0 0 08H 256 bytes 2 Memory type 0 0 0 0 0 1 1 1 07H DDR SDRAM 3 Number of row address 0 0 0 0 1 1 0 1 0DH 13 4 Number of column address 0 0 0 0 1 0 0 1 09H 9 5 Number of DIMM banks 0 0 0 0 0 0 1 0 02H 2 6 Module data width 0 1 0 0 0 0 0 0 40H 64 bits 7 Module data width continuation 0 0 0 0 0 0 0 0 00H 0 8 Voltage interface level of this assembly 0 0 0 0 0 1 0 0 04H SSTL2 9 DDR SDRAM cycle time, CL = X -6B 0 1 1 0 0 0 0 0 60H CL = 2.5* 1 -7A, -7B 0 1 1 1 0 1 0 1 75H 10 SDRAM access from clock (tAC) -6B 0 1 1 1 0 0 0 0 70H 0.7ns *1 -7A, -7B 0 1 1 1 0 1 0 1 75H 0.75ns *1 11 DIMM configuration type 0 0 0 0 0 0 0 0 00H None 12 Refresh rate/type 1 0 0 0 0 0 1 0 82H 7.8 µs Self refresh 13 Primary SDRAM width 0 0 0 1 0 0 0 0 10H × 16 14 Error checking SDRAM width 0 0 0 0 0 0 0 0 00H Not used 15 SDRAM device attributes: Minimum clock delay back-to-back column access 0 0 0 0 0 0 0 1 01H 1 CLK 16 SDRAM device attributes: Burst length supported 0 0 0 0 1 1 1 0 0EH 2,4,8 17 SDRAM device attributes: Number of banks on SDRAM device 0 0 0 0 0 1 0 0 04H 4 18 SDRAM device attributes: /CAS latency 0 0 0 0 1 1 0 0 0CH 2, 2.5 19 SDRAM device attributes: /CS latency 0 0 0 0 0 0 0 1 01H 0 20 SDRAM device attributes: /WE latency 0 0 0 0 0 0 1 0 02H 1 21 SDRAM module attributes 0 0 1 0 0 0 0 0 20H Unbuffered 22 SDRAM device attributes: General 1 1 0 0 0 0 0 0 C0H VDD ± 0.2V 23 Minimum clock cycle time at CL = X –0.5 -6B, -7A 0 1 1 1 0 1 0 1 75H CL = 2* 1 -7B 1 0 1 0 0 0 0 0 A0H 24 Maximum data access time (tAC) from clock at CL = X –0.5 -6B 0 1 1 1 0 0 0 0 70H 0.7ns *1 -7A, -7B 0 1 1 1 0 1 0 1 75H 0.75ns* 1 25 to 26 0 0 0 0 0 0 0 0 00H 27 Minimum row precharge time (tRP) -6B 0 1 0 0 1 0 0 0 48H 18ns -7A, -7B 0 1 0 1 0 0 0 0 50H 20ns 28 Minimum row active to row active delay (tRRD) -6B 0 0 1 1 0 0 0 0 30H 12ns -7A, -7B 0 0 1 1 1 1 0 0 3CH 15ns |