PD45128441-I Datasheet, PDF (51/89 Pages) Elpida Memory – 128M-bit Synchronous DRAM 4-bank, LVTTL WTR (Wide Temperature Range)

Q1
Read
Command
Activate
Command
tRC1
CBR (Auto) Refresh
T0 T1 T2 T3 T4 T5 T6 Tn Tn + 1 Tn + 2 Tn + 3 Tn + 4 Tn + 5 Tn + 6 Tm Tm + 1 Tm + 2 Tm + 3 Tm + 4 Tm + 5 Tm + 6 Tm + 7
CLK
tRC1
Precharge CBR (Auto) Refresh
Command
(if necessary)
tRP
Hi-Z
H
L
13.10 CBR (Auto) Refresh
DQ
DQM
ADD
A10
BA1
/WE
BA0
/CAS
/RAS
/CS
CKE