W9864G6DB Datasheet, PDF (33/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
Operating Timing Example, continued
Auto Precharge Write (Burst Length = 4)
(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
CLK
CS
RAS
CAS
tRC
tRAS
tRP
tRC
tRAS
tRP
WE
BS0
BS1
tRCD
tRCD
A10
RAa
RAb
RAc
A0-A9
RAa
CAw
RAb
CAx
RAc
DQM
CKE
DQ
aw0 aw1 aw2 aw3
bx0
bx1 bx2 bx3
Bank #0 Active
Write
AP*
Active Write
AP*
Bank #1
Bank #2
Idle
Bank #3
* AP is the internal precharge start timing
Active
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Publication Release Date: January 27, 2003
Revision A1