EM638325 Datasheet, PDF (39/72 Pages) Etron Technology, Inc. – 2M x 32 Synchronous DRAM (SDRAM)

EtronTech
2Mega x 32 SDRAM EM638325
Figure 11.2. Random Row Read (Interleaving Banks)
(Burst Length=8, CAS# Latency=2)
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
tCK2
CKE ^High
CS#
RAS#
CAS#
WE #
BS0,1
A10
RBx
RAx
RBy
A0~A9
RBx
CBx
RAx
CAx
RBy
CBy
DQ M
tRCD
tAC2
tRP
DQ^Hi-Z
Bx0 Bx1 Bx2 Bx3 Bx4 Bx5 Bx6 Bx7 _Ax0 Ax1 Ax2 Ax3 _{Ax4 Ax5 Ax6 Ax7}
By0 By1
Activate
Read
Command Command
Bank B
Bank B
Activate
Command
Bank A
Precharge
Command
ReadBank ^B
Command
Bank A
Activate
Command
Bank B
Read
Command
Bank B
Preliminary
39
Rev 1.4
Oct. 2005