EtronTech
EM636327
Figure 18.2. Full Page Read Cycle
(Burst Length=Full Page, CAS# Latency=2)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
tCK2
High
CKE
CS#
RAS#
CA S#
WE#
DSF
BS
RAx
RBy
RBy
RBx
RBx
A 9
CAx
RAx
CBx
A0~A8
DQM
tRP
Hi-Z
Ax+1
Bx+6
DQ
Ax
Ax+2 Ax-2 Ax-1 Ax
Ax+1 Bx Bx+1 Bx+2 Bx+3 Bx+4 Bx+5
Full Page burst operation does not
terminate when the burst length is satisfied;
the burst counter increments and continues
bursting beginning with the starting address.
Activate
Read
Activate
Read
Command
Bank B
Precharge
Command
Bank B
Activate
Command
Bank B
Command Command
Command
Bank B
Bank A
Bank A
The burst counter wraps
from the highest order
page address back to zero
during this timeinterval
Burst Stop
Command
Preliminary
1998
December
64