W981208BH Datasheet, PDF (26/41 Pages) Winbond – 4M x 4 BANKS x 8 BIT SDRAM

Operating Timing Example, continued
Page Mode Read /Write (Burst Length = 8, CAS Latency = 3)
W981208BH
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
tRP
CAS
WE
BS0
BS1
A10
tRCD
RAa
A0-A9,
RAa
CAx
CAy
A11
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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