W9864G6DB Datasheet, PDF (28/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
Operating Timing Example, continued
Interleaved Bank Write (Burst Length = 8)
CLK
CS
RAS
CAS
WE
(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
tRCD
tRC
tRAS
tRCD
tRP
tRAS
tRCD
BS0
BS1
A10
RAa
RBb
RAc
A0-A9
RAa
DQM
CKE
DQ
Bank #0 ^Active
Bank #1
Bank #2
Idle
Bank #3
CAx
ax0 ax1
tRRD
Write
RBb
CBy
RAc
CAz
ax4 ax5 ax6 ax7 by0 by1 by2 by3
tRRD
Active
Precharge
Write
by4 by5 by6 by7 CZ0 CZ1 CZ2
Active
Write
Precharge
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