EtronTech
EM636165-XXI
1M x 16 SDRAM
Figure 12.1. Random Row Write (Interleaving Banks)
(Burst Length=8, CAS# Latency=1)
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
CLK
tCK1
CKE
High
CS#
RAS#
CAS#
WE#
A11
A10
RAy
RAy
RAx
RAx
RBx
RBx
A0~A9
DQM
CAy
CBx
CAx
tRCD
tRP
tWR
Hi-Z
DQ
DBx7
DAx7 DBx0 DBx1 DBx2 DBx3DBx4 DBx5 DBx6
DAy0 DAy1 DAy2
DAx6
DAy3
DAx0 DAx1 DAx2DAx3 DAx4 DAx5
Activate
Activate
Command
Bank B
Precharge
Command
Bank A
Precharge
Command
Bank B
Write
Command
Bank A
Command
Bank A
Write
Activate
Command
Bank A
Write
Command
Bank A
Command
Bank B
Preliminary
42
Rev. 1.1 Apr. 2005
ETRON [ ETRON TECHNOLOGY, INC. ]
