![](/images/new-backgrounds/1127092/1270925x1.webp)
Unbuffered SODIMM
datasheet
Rev. 1.0
DDR3 SDRAM
Table Of Contents |
| |
204pin Unbuffered SODIMM based on 4Gb |
| |
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 | 9 | |
10. AC & DC Input Measurement Levels | 10 | |
10.1 | AC & DC Logic Input Levels for | 10 |
10.2 | VREF 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 | 12 | |
10.3.3. | 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 | 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 |
- 3 -