EM6A9320BIA Datasheet, PDF (40/52 Pages) Etron Technology, Inc. – 4M x 32 bit DDR Synchronous DRAM (SDRAM)

EtronTech
EM6A9320BIA
Figure 30. Data input (Write) Timing
DQS
DQ
DM
t_DQSH t_DQSL
t_DS
DI
n
t_DS^tDH
t_DH
DI n = Data In for column n
Burst Length = 4 in the case shown
3 subsequent elements of Data In are applied in the programmed order
following DI n
Don’t Care
Figure 31. Data Output (Read) Timing
CK
CK
DQS
t_CH t_CL
DQ
t_DQSQ
max
t_QH
Burst Length = 4 in the case shown
t_DQSQ
max _tQH
Etron Confidential
40
Rev 1.7
Nov. 2009