SPRS292A − OCTOBER 2005 − REVISED NOVEMBER 2005
SYNCHRONOUS DRAM TIMING (CONTINUED)
DEAC
ECLKOUT
1 | 1 |
CEx
BE[3:0]
4 | 5 |
EA[21:13] | Bank |
EA[11:2] |
|
4 | 5 |
EA12
ED[31:0]
12 | 12 |
AOE/SDRAS/SSOE†
ARE/SDCAS/SSADS†
11 | 11 |
AWE/SDWE/SSWE†
†ARE/SDCAS/SSADS, AWE/SDWE/SSWE, and AOE/SDRAS/SSOE operate as SDCAS, SDWE, and SDRAS, respectively, during SDRAM accesses.
Figure 35. SDRAM DEAC Command
REFR
ECLKOUT
1 | 1 |
CEx
BE[3:0]
EA[21:2]
EA12
ED[31:0]
12 | 12 |
AOE/SDRAS/SSOE† |
|
8 | 8 |
ARE/SDCAS/SSADS†
AWE/SDWE/SSWE†
†ARE/SDCAS/SSADS, AWE/SDWE/SSWE, and AOE/SDRAS/SSOE operate as SDCAS, SDWE, and SDRAS, respectively, during SDRAM accesses.
Figure 36. SDRAM REFR Command
80 | POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443 |