W9864G6DB Datasheet, PDF (31/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
Operating Timing Example, continued
Page Mode Read/Write (Burst Length = 8, CAS Latency = 3)
CLK
CS
RAS
(CLK = 100 MHz)
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
tRAS
CAS
WE
BS0
BS1
A10
tRCD
RAa
A0-A9 RAa
CAx
CAy
DQM
CKE
DQ
Bank #0
Bank #1
Bank #2
Bank #3
Active
Idle
tAC
ax0 ax1 ax2 ax3 ax4 ax5
QQ Q Q Q Q
tWR
ay0 ay1 ay2 ay3 ay4
DD D D D
Read
Write
Precharge
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Publication Release Date: January 27, 2003
Revision A1