Samsung M471B1G73AH0 - Manual (Page 3)

- 3 -
Unbuffered SODIMM
datasheet
DDR3 SDRAM
Rev. 1.0
Table Of Contents
204pin Unbuffered SODIMM based on 4Gb A-die
1. DDR3 Unbuffered SODIMM Ordering Information........................................................................................................ 4
2. Key Features................................................................................................................................................................. 4
3. Address Configuration .................................................................................................................................................. 4
4. x64 DIMM Pin Configurations (Front side/Back Side)................................................................................................... 5
5. Pin Description ............................................................................................................................................................. 6
6. Input/Output Functional Description.............................................................................................................................. 7
7. Function Block Diagram:............................................................................................................................................... 8
7.1 8GB, 1Gx64 Module (Populated as 2 ranks of x8 DDR3 SDRAMs) ....................................................................... 8
8. Absolute Maximum Ratings .......................................................................................................................................... 9
8.1 Absolute Maximum DC Ratings............................................................................................................................... 9
8.2 DRAM Component Operating Temperature Range ................................................................................................ 9
9. AC & DC Operating Conditions..................................................................................................................................... 9
9.1 Recommended DC Operating Conditions (SSTL-15).............................................................................................. 9
10. AC & DC Input Measurement Levels .......................................................................................................................... 10
10.1 AC & DC Logic Input Levels for Single-ended Signals.......................................................................................... 10
10.2 V
REF
Tolerances.................................................................................................................................................... 11
10.3 AC and DC Logic Input Levels for Differential Signals .......................................................................................... 12
10.3.1. Differential Signals Definition ......................................................................................................................... 12
10.3.2. Differential Swing Requirement for Clock (CK-CK) and Strobe (DQS-DQS) ................................................ 12
10.3.3. Single-ended Requirements for Differential Signals ...................................................................................... 13
10.3.4. Differential Input Cross Point Voltage ............................................................................................................ 14
10.4 Slew Rate Definition for Single Ended Input Signals............................................................................................. 14
10.5 Slew rate definition for Differential Input Signals ................................................................................................... 14
11. AC & DC Output Measurement Levels ....................................................................................................................... 15
11.1 Single Ended AC and DC Output Levels............................................................................................................... 15
11.2 Differential AC and DC Output Levels ................................................................................................................... 15
11.3 Single-ended Output Slew Rate ............................................................................................................................ 15
11.4 Differential Output Slew Rate ................................................................................................................................ 16
12. DIMM IDD specification definition ............................................................................................................................... 17
13. IDD SPEC Table ......................................................................................................................................................... 19
14. Input/Output Capacitance ........................................................................................................................................... 20
14.1 2Rx8 2GB SODIMM .............................................................................................................................................. 20
15. Electrical Characteristics and AC timing ..................................................................................................................... 21
15.1 Refresh Parameters by Device Density................................................................................................................. 21
15.2 Speed Bins and CL, tRCD, tRP, tRC and tRAS for Corresponding Bin ................................................................ 21
15.3 Speed Bins and CL, tRCD, tRP, tRC and tRAS for corresponding Bin ................................................................. 21
15.3.1. Speed Bin Table Notes .................................................................................................................................. 25
16. Timing Parameters by Speed Grade .......................................................................................................................... 26
16.1 Jitter Notes ............................................................................................................................................................ 29
16.2 Timing Parameter Notes........................................................................................................................................ 30
17. Physical Dimensions :................................................................................................................................................. 31
17.1 512Mx8 based 1Gx64 Module (2 Ranks) - M471B1G73AH0................................................................................ 31