EM638165 Datasheet, PDF (54/71 Pages) Etron Technology, Inc. – 4Mega x 16 Synchronous DRAM (SDRAM)

EtronTech
EM638165
Figure 16.3. Auto Precharge after Read Burst (Burst Length=4, CAS# Latency=3)
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
CL K
tCK3
CKE ^High
CS#
RAS#
CAS#
WE #
BA0,1
A10
RAx
RBx
RBy
A0~A9,A11
RAx
DQM
DQ ^Hi-Z
Activate
Command
Bank A
CAx RBx
CBx
CAy
RBy
CBy
Ax0 Ax1 Ax2 Ax3 Bx0 Bx1 Bx2 Bx3 Ay0 Ay1 Ay2 Ay3
Activate
Command
Bank B
Read
Command
Bank A
Read with
Auto Precharge
Command
Bank B
Read with
Auto Precharge
Command
Bank A
Activate
Command
Bank B
Read with
Auto Precharge
Command
Bank B
By0 By1 By2 By3
Preliminary
54
Rev 0.6 Feb. 2001