EtronTech
EM63A165
Figure 17.2. Auto Precharge after Write Burst
(Burst Length=4, CAS# Latency=2)
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
tCK2
High
CKE
CS#
RAS#
CAS#
WE#
BA0,1
A10
RAx
RBy
RBy
RBx
RBx
RAz
RAz
CAy
CBx
CAz
CAx
CBy
RAx
A0~A9,A11
& A12
DQM
DQ
Hi-Z
DAx0
Write
DBy1
DAz2 DAz3
DBy2 DBy3
Activate
DAx1 DAx2 DAx3
Activate
DAy0
DAy3
DAy1DAy2
DBy0
DAz0 DAz1
DBx0 DBx1DBx2 DBx3
Activate
Command Command
Bank A Bank A
Write with
Command Auto Precharge
Write with
Auto Precharge
Command
Activate
Write with
Write with
Command Auto Precharge Command Auto Precharge
Bank B
Command
Bank B
Bank B
Command
Bank B
Bank A
Command
Bank A
Bank A
58
Rev 1.1 Apr. 2007
ETRON [ ETRON TECHNOLOGY, INC. ]
