EtronTech
EM636165-XXI
1M x 16 SDRAM
Figure 11.3. Random Row Read (Interleaving Banks)
(Burst Length=8, 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
CLK
tCK3
High
CKE
CS#
RAS#
CAS#
WE#
A11
A10
RBx
RAx
RAx
RBy
RBx
RBy
CBy
CBx
CAx
A0~A9
DQM
tRP
tRCD
tAC3
Hi-Z
DQ
Ax7
By0
Bx6
Bx0 Bx1 Bx2 Bx3
Bx4 Bx5
Bx7
Ax0 Ax1 Ax2
Ax3
Ax4 Ax5 Ax6
Activate
Command
Bank B
Activate
Command
Bank A
Read
Command
Bank A
Precharge
Command
Bank B
Activate
Command
Bank B
Read
Command
Bank B
Precharge
Command
Bank A
Read
Command
Bank B
Preliminary
41
Rev. 1.1 Apr. 2005