EtronTech
EM636327
Figure 16.2. Auto Precharge after Read Burst
(Burst Length=4, CAS# Latency=2)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
tCK2
High
CKE
CS#
RAS#
CAS#
DSF
WE#
BS
RAx
RAz
RAz
RBx
RBx
RBy
RBy
A 9
RAx
CAz
CAx
CBx
RAy
CBy
A0~A8
DQM
Hi-Z
Ax1 Ax2 Ax3 Bx0
Bx1 Bx2
Read with
Bx3 Ay0 Ay1 Ay2 Ay3 By0 By1
By3
Az2
Ax0
By2
Az0 Az1
DQ
Activate
Read
Activate
Read with
Activate
Read with
Activate
Read with
Command Command
Command Auto Precharge
Auto Precharge Command Auto Precharge Command Auto Precharge
Bank A
Bank A
Bank B
Command
Bank B
Command
Bank A
Bank B
Command
Bank B
Bank A
Command
Bank A
Preliminary
1998
December
58
ETRON [ ETRON TECHNOLOGY, INC. ]
