ic42s32800 ETC-unknow, ic42s32800 Datasheet - Page 39

• Manufacturer Part Number: ic42s32800
• Description: 2m X 32 Bit X 4 Banks 256-mbit Sdram
• Manufacturer: ETC-unknow

IC42S32800
IC42S32800L
Figure 12.1.Random Row Write (Interleaving Banks)
Integrated Circuit Solution Inc.
DR046-0B 12/21/2004
A0-A9
RAS#
CAS#
BS0,1
DQM
WE#
CKE
CLK
CS#
A10
DQ
Hi-Z
High
Command
Activate
Bank A
RAx
RAx
(Burst Length=8,CAS#Latency=1)
t
T0 T 1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T 11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
RCD
Command
Bank A
DAx0 DAx1 DAx2 DAx3 DAx4 DAx5 DAx6 DAx7 DBx0 DBx1
Write
CAx
t
CK1
Command
Activate
Bank B
RBx
RBx
Command
Bank B
Write
CBx
DBx2 DBx3 DBx4 DBx5 DBx6
Precharge
Command
Bank A
t
RP
Command
Activate
Bank A
RAy
RAy
DBx7
t
Precharge
WR
Command
Bank B
Command
Bank A
Write
DAy0 DAy1 DAy2
CAy
DAy3
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