128Mb: x4, x8, x16 Automotive SDRAM
PRECHARGE Operation
Figure 47: WRITE With Auto Precharge
T0
T1
T2
T3
T4
T5
T6
T7
T8
T9
CLK
tCK
tCL
tCH
tCKS tCKH
CKE
tCMS tCMH
Command ACTIVE
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
NOP
ACTIVE
DQM
tCMS tCMH
tAS tAH
Address Row
tAS tAH
A10 Row
tAS tAH
BA0, BA1 Bank
Column m
Enable auto precharge
Bank
Row
Row
Bank
tDS tDH
tDS tDH
tDS tDH
tDS tDH
DQ
DIN
DIN
DIN
DIN
tRCD
tWR
tRP
tRAS
tRC
Don’t Care
Note: 1. For this example, BL = 4.
PDF: 09005aef84baf515
128mb_x4x8x16_ait-aat_sdram.pdf - Rev. C 1/14 EN
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