EM639325
EtronTech
Figure 37. Full Page Read Cycle
(Burst Length=Full Page, CAS# Latency=3)
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11 T12 T13 T14 T15 T16 T17 T18 T19 T20 T21 T22
CLK
CKE
High
CS#
RAS#
CAS#
WE#
BA0,1
A10
RBy
RBy
RAx
RBx
RBx
A0-A9,
A11
RAx
CAx
CBx
tRP
DQM
DQ
Hi-Z
Ax
Ax+1 Ax+2 Ax-2 Ax-1
Ax
Ax+1
Bx
Bx+1 Bx+2 Bx+3 Bx+4 Bx+5
Activate
Command
Bank A
Read
Command
Bank A
Activate
Command
Bank B
Read
Command
Bank B
Precharge
Command
Bank B
Activate
Command
Bank B
The burst counter wraps
from the highest order
Burst Stop
Command
Don’t Care
page address back to zero
during this time interval
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
Rev. 2.1
39
Aug. /2015
ETRON [ ETRON TECHNOLOGY, INC. ]
