EM6AB160
EtronTech
Figure 20. Random Write Cycles Max tDQSS
T4
T8
T9
T0
T1
T2
T3
T5
T6
T7
CK
CK
COMMAND
ADDRESS
WRITE
WRITE
WRITE
WRITE
WRITE
Bank
Col r
Bank
Col n
Bank
Col o
Bank
Col p
Bank
Col q
tDQSS (max)
DQS
DQ
DI
n
DI
n'
DI
o
DI
o'
DI
p'
DI
p
DI
q'
DI
q
DM
DI n, etc. = Data In for column n, etc.
n', etc. = the next Data In following DI n, etc. according to the programmed burst order
Programmed Burst Length 2, 4, or 8 in cases shown
If burst of 4 or 8, the burst would be truncated
Each WRITE command may be to any bank and may be to the same or different devices
DM= UDM & LDM
Don’t Care
Rev.1.3
40
Jun. /2015
ETRON [ ETRON TECHNOLOGY, INC. ]
