SPRS293A − OCTOBER 2005 − REVISED NOVEMBER 2005
71
POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
ASYNCHRONOUS MEMORY TIMING (CONTINUED)
Setup = 2
Strobe = 3
Not Ready
Hold = 2
BE
Address
Read Data
2
1
2
1
2
1
2
1
5
4
3
ARDY
7
7
6
6
5
ECLKOUT
CE[3:0]
EA[21:2]
ED[15:0]
AOE/SDRAS/SSOE†
ARE/SDCAS/SSADS†
BE[1:0]
AWE/SDWE/SSWE†
† AOE/SDRAS/SSOE, ARE/SDCAS/SSADS, and AWE/SDWE/SSWE operate as AOE (identified under select signals), ARE, and AWE,
respectively, during asynchronous memory accesses.
Figure 26. Asynchronous Memory Read Timing