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Rev. 1.1 August 2008
Registered DIMM
Table Contents
DDR3 SDRAM
1.0 DDR3 Registered DIMM Ordering Information .......................................................................................................... 5
2.0 Key Features ................................................................................................................................................................ 5
8.0 Pinout comparison Based on Module Type .............................................................................................................. 9
10.1 1GB, 128Mx72 Module(Populated as 1 rank of x8 DDR3 SDRAMs) .............................................................. 11
10.2 2GB, 256Mx72 Module(Populated as 2 rank of x8 DDR3 SDRAMs) .............................................................. 12
10.3 2GB, 256Mx72 Module(Populated as 1 ranks of x4 DDR3 SDRAMs) ............................................................ 13
10.4 4GB, 512Mx72 Module(Populated as 2 ranks of x4 DDR3 SDRAMs) ............................................................ 14
10.5 4GB, 512Mx72 Module(Populated as 4 ranks of x8 DDR3 SDRAMs) ............................................................ 16
10.6 8GB,1Gx72 Module(Populated as 4 ranks of x4 DDR3 SDRAMs) .................................................................. 17
11.0 Absolute Maximum Ratings .................................................................................................................................... 22
11.1 Absolute Maximum DC Ratings ........................................................................................................................ 22
11.2 DRAM Component Operating Temperature Range ......................................................................................... 22
12.0 AC & DC Operating Conditions .............................................................................................................................. 22
12.1 Recommended DC Operating Conditions (SSTL - 15) .................................................................................... 22
13.0 AC & DC Input Measurement Levels ...................................................................................................................... 23
13.1 AC and DC Logic Input Levels for Single-ended Signals ............................................................................... 23
13.3.2 Differential Swing Requirement for Clock (CK - CK) and Strobe (DQS - DQS) .................................. 25
13.3.3 Single-ended Requirements for Differential Signals ............................................................................ 26
13.3.4 Differential Input Cross Point Voltage ................................................................................................... 27
13.4 Slew Rate Definition for Single Ended Input Signals ..................................................................................... 27
13.5 Slew rate definition for Differential Input Signals ........................................................................................... 27
14.0 AC and DC Output Measurement Levels ............................................................................................................... 28
14.1 Single Ended AC and DC Output Levels ......................................................................................................... 28
14.2 Differential AC and DC Output Levels ............................................................................................................. 28
14.3 Single Ended Output Slew Rate ....................................................................................................................... 28
17.0 Electrical Characteristics and AC timing ............................................................................................................... 36
17.1 Refresh Parameters by Device Density .......................................................................................................... 36
17.2 Speed Bins and CL, tRCD, tRP, tRC and tRAS for Corresponding Bin ....................................................... 36
17.3 Speed Bins and CL, tRCD, tRP, tRC and tRAS for corresponding Bin ........................................................ 37
17.3.1 Speed Bin Table Notes ........................................................................................................................... 38
18.0 Timing Parameters for DDR3-800, DDR3-1066 and DDR3-1333 ........................................................................... 39