EM638165
EtronTech
Figure 36. Auto Precharge after Write Burst
(Burst Length=4)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
CKE
Begin Auto
Precharge
Bank B
Begin Auto
Precharge
Bank A
High
CS#
RAS#
CAS#
WE#
BA0,1
A10
RBy
RBy
RAx
RBx
RBx
A0-A9,
A11
RAx
CAx
CBx
CAy
CBy
tDAL
DQM
DQ
Hi-Z
DAx0 DAx1 DAx2 DAx3 DBx0 DBx1 DBx2 DBx3 DAy0 DAy1 DAy2 DAy3
DBy0 DBy1 DBy2 DBy3
Write with
Auto Precharge
Command
Bank B
Write with
Auto Precharge
Command
Bank A
Write with
Auto Precharge
Command
Bank B
Activate
Command
Bank A
Write
Command
Bank A
Activate
Command
Bank B
Activate
Command
Bank B
Don’t Care
Rev. 5.2
43
Rev. 5.2
Dec. /2013
ETRON [ ETRON TECHNOLOGY, INC. ]
