128Mb: x4, x8, x16 Automotive SDRAM
PRECHARGE Operation
Figure 50: Single WRITE Without Auto Precharge
T0
CLK
T1
T2
T3
tCK
tCL
tCH
tCKS tCKH
CKE
tCMS tCMH
Command
ACTIVE
NOP
WRITE
NOP
tCMS tCMH
DQM
tAS tAH
Address
Row
Column m
tAS tAH
A10
BA0, BA1
Row
tAS tAH
Bank
Disable auto precharge
Bank
tDS tDH
DQ
DIN
T4
T5
T6
T7
T8
NOP
PRECHARGE
NOP
ACTIVE
NOP
All banks
Single bank
Bank
Row
Bank
tRCD
tRAS
tRC
tWR
tRP
Don’t Care
Note: 1. For this example, BL = 1 and the WRITE burst is followed by a manual PRECHARGE.
PDF: 09005aef84baf515
128mb_x4x8x16_ait-aat_sdram.pdf - Rev. C 1/14 EN
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