EtronTech
EM636327
Figure 16.1. Auto Precharge after Read Burst
(Burst Length=4, CAS# Latency=1)
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
tCK1
High
CS#
RAS#
CAS#
WE#
DSF
BS
A 9
RAx
RBy
RBy
RBz
RBz
RBx
RBx
CBx
CBy
RAx CAx
CAy
CBz
A0~A8
DQM
DQ
Hi-Z
Ax1 Ax2 Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3 By0 By1
By3
Bz2
Ax0
By2
Bz0 Bz1
Bz3
Activate
Command
Bank A
Activate
Command
Bank B
Activate
Command
Bank B
Read with
Auto Precharge
Command
Activate
Command
Bank B
Read with
Read
Bank B
Read with
Read with
Auto Precharge
Command
Bank B
Command
Bank A
Auto Precharge
Command
Auto Precharge
Command
Bank B
Bank A
Preliminary
1998
December
57
ETRON [ ETRON TECHNOLOGY, INC. ]
