參數(shù)資料
型號： UPD488448FB-C60-53-DQ2
廠商： NEC Corp.
英文描述： 128 M-bit Direct Rambus⑩ DRAM
中文描述： 128 M位DRAM的直接Rambus的⑩
文件頁數(shù)： 7/80頁
文件大?。?/td> 1902K
代理商： UPD488448FB-C60-53-DQ2
Data Sheet M14837EJ3V0DS00
7
μ
PD488448 for Rev. P
CONTENTS
1. General Description.................................................................................................................................................9
2. Packet Format ........................................................................................................................................................11
3. Field Encoding Summary......................................................................................................................................13
4. DQ Packet Timing ..................................................................................................................................................15
5. COLM Packet to D Packet Mapping......................................................................................................................15
6. ROW-to-ROW Packet Interaction..........................................................................................................................17
7. ROW-to-COL Packet Interaction ...........................................................................................................................19
8. COL-to-COL Packet Interaction ............................................................................................................................20
9. COL-to-ROW Packet Interaction ...........................................................................................................................21
10. ROW-to-ROW Examples......................................................................................................................................22
11. Row and Column Cycle Description...................................................................................................................23
12. Precharge Mechanisms.......................................................................................................................................24
13. Read Transaction - Example...............................................................................................................................26
14. Write Transaction - Example...............................................................................................................................27
15. Write/Retire - Examples.......................................................................................................................................28
16. Interleaved Write - Example ................................................................................................................................30
17. Interleaved Read - Example ................................................................................................................................31
18. Interleaved RRWW - Example .............................................................................................................................32
19. Control Register Transactions............................................................................................................................33
20. Control Register Packets.....................................................................................................................................34
21. Initialization ..........................................................................................................................................................35
22. Control Register Summary..................................................................................................................................39
23. Power State Management....................................................................................................................................48
24. Refresh..................................................................................................................................................................53
25. Current and Temperature Control ......................................................................................................................55
26. Electrical Conditions ...........................................................................................................................................56
27. Timing Conditions................................................................................................................................................57
28. Electrical Characteristics ....................................................................................................................................59
29. Timing Characteristics ........................................................................................................................................59
30. RSL Clocking........................................................................................................................................................60
31. RSL - Receive Timing ..........................................................................................................................................61
32. RSL - Transmit Timing.........................................................................................................................................62
33. CMOS - Receive Timing.......................................................................................................................................63
34. CMOS - Transmit Timing .....................................................................................................................................65
35. RSL - Domain Crossing Window ........................................................................................................................66
36. Timing Parameters...............................................................................................................................................67
37. Absolute Maximum Ratings................................................................................................................................68
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