EM6A9320BIB-4IH Datasheet, PDF (37/61 Pages) Etron Technology, Inc. – 4M x 32 bit DDR Synchronous DRAM (SDRAM)

EtronTech
EM6A9320BIB
Figure 17. Write Burst Nom, Min, and Max tDQSS
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 T11
CK
CK
COMMAND
WRITE
NOP
NOP
NOP
NOP
NOP
ADDRESS
DQS
DQ
DM
Bank ,
Col n
tDQSS (nom)
DI
n
DQS
DQ
DM
tDQSS (min)
DI
n
DQS
tDQSS (max)
DQ
DI
n
DM
DI n = Data In for column n
3 subsequent elements of Data are applied in the programmed order following DI n
A non-interrupted burst of 4 is shown
A8 is LOW with the WRITE command (AUTO PRECHARGE disabled)
DM=DM0 ~ DM3
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Etron Confidential
37
Rev 1.0
July /2012