EtronTech
EM68916CWQA
Figure 19. Data output (read) timing
tCH
tCL
CK#
CK
CK
DQS#
DQS
DQS#
DQS
tRPRE
tRPST
Q
Q
Q
Q
DQ
tDQSQ max
tDQSQ max
tQH
tQH
Figure 20.1. Burst read operation: RL=5 (AL=2, CL=3, BL=4)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CK#
CK
Posted CAS#
READ A
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
CMD
=< tDQSCK
DQS
DQS#
AL=2
CL=3
RL=5
Dout A0 Dout A1 Dout A2
Dout A3
DQs
Figure 20.2. Burst read operation: RL=3 (AL=0 and CL=3, BL=8)
T0
T1
T2
T3
T4
T5
T6
T7
T8
CK#
CK
READ A
NOP
NOP
NOP
NOP
NOP
NOP
NOP
NOP
CMD
=< tDQSCK
DQS
DQS#
CL=3
RL=3
Dout A0 Dout A1 Dout A2
Dout A3 Dout A4 Dout A5 Dout A6
Dout A7
DQs
Etron Confidential
40
Rev. 1.1
Apr. 2009