PD488588FF Datasheet, PDF (6/79 Pages) Elpida Memory – 288M bits Direct Rambus DRAM for High Performance Solution

µPD488588FF-C80-40
CONTENTS
1. General Description.................................................................................................................................................8
2. Packet Format ........................................................................................................................................................10
3. Field Encoding Summary......................................................................................................................................12
4. DQ Packet Timing ..................................................................................................................................................14
5. COLM Packet to D Packet Mapping......................................................................................................................14
6. ROW-to-ROW Packet Interaction..........................................................................................................................16
7. ROW-to-COL Packet Interaction ...........................................................................................................................18
8. COL-to-COL Packet Interaction ............................................................................................................................19
9. COL-to-ROW Packet Interaction ...........................................................................................................................20
10. ROW-to-ROW Examples ......................................................................................................................................21
11. Row and Column Cycle Description ..................................................................................................................22
12. Precharge Mechanisms.......................................................................................................................................23
13. Read Transaction - Example...............................................................................................................................25
14. Write Transaction - Example...............................................................................................................................26
15. Write/Retire - Examples.......................................................................................................................................27
16. Interleaved Write - Example ................................................................................................................................29
17. Interleaved Read - Example ................................................................................................................................30
18. Interleaved RRWW - Example .............................................................................................................................31
19. Control Register Transactions............................................................................................................................32
20. Control Register Packets ....................................................................................................................................33
21. Initialization ..........................................................................................................................................................34
22. Control Register Summary..................................................................................................................................38
23. Power State Management....................................................................................................................................47
24. Refresh..................................................................................................................................................................52
25. Current and Temperature Control ......................................................................................................................54
26. Electrical Conditions ...........................................................................................................................................55
27. Timing Conditions ...............................................................................................................................................56
28. Electrical Characteristics ....................................................................................................................................58
29. Timing Characteristics ........................................................................................................................................58
30. RSL Clocking........................................................................................................................................................59
31. RSL - Receive Timing ..........................................................................................................................................60
32. RSL - Transmit Timing.........................................................................................................................................61
33. CMOS - Receive Timing.......................................................................................................................................62
34. CMOS - Transmit Timing .....................................................................................................................................64
35. RSL - Domain Crossing Window ........................................................................................................................65
36. Timing Parameters...............................................................................................................................................66
37. Absolute Maximum Ratings ................................................................................................................................67
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Data Sheet E0251N20 (Ver. 2.0)