EM6AB080
EtronTech
Figure 9. Non-Consecutive Read Bursts Required CAS Latencies (CL=2)
CK
CK
COMMAND
ADDRESS
READ
NOP
NOP
READ
NOP
NOP
Bank,
Col o
Bank,
Col n
CL=2
DQS
DQ
DO
n
DO
o
DO n (or o)=Data Out from column n (or column o)
Burst Length=4
3 subsequent elements of Data Out appear in the programmed order following DO n
(and following DO o)
Don’t Care
Non-Consecutive Read Bursts Required CAS Latencies (CL=2.5)
CK
CK
COMMAND
ADDRESS
READ
NOP
NOP
READ
NOP
NOP
NOP
Bank,
Col o
Bank,
Col n
CL=2.5
DQS
DQ
DO
n
DO
o
DO n (or o)=Data Out from column n (or column o)
Burst Length=4
3 subsequent elements of Data Out appear in the programmed order following DO n
(and following DO o)
Don’t Care
Etron Confidential
22
Rev.1.1
Dec. /2013