W9864G2IB Datasheet, PDF (22/42 Pages) Winbond – 512K × 4 BANKS × 32BITS SDRAM

W9864G2IB
11.2 Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge)
CLK
0
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
CS
RAS
CAS
tRC
tRAS
tRC
tRP
tRAS
tRC
tRC
tRAS
tRP
tRP
WE
BS0
BS1
tRCD
tRCD
A10 RAa
RBb
tRCD
RAc
tRCD
RBd
RAe
A0-A9 RAa
CAw RBb
CBx
RAc
CAy
RBd
CBz
RAe
DQM
CKE
DQ
tAC
aw0 aw1 aw2 aw3
tAC
tAC
bx0 bx1 bx2 bx3
cy0 cy1 cy2 cy3
tAC
dz0
tRRD
tRRD
tRRD
Bank #0
Bank #1
Bank #2
Bank #3
Active
Read
Active
AP*
Active
Read
Idle
* AP is the internal precharge start timing
Read
AP*
tRRD
AP*
Active
Read
Active
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Publication Release Date: Sep. 17, 2009
Revision A01