512Mb : 32 Me g x 16, 16 Me g x 32 Mo b ile SDRAM
Tim in g Dia g ra m s
Fig u re 54: WRITE – DQM Op e ra t io n
T0
T1
T2
T3
T4
T5
T6
T7
t
t
CL
CK
CLK
CKE
t
CH
t
t
CKS CKH
t
t
CMS
CMH
COMMAND
DQM
ACTIVE
NOP
WRITE
t
NOP
NOP
NOP
NOP
NOP
t
CMS CMH
t
t
t
t
AH
AS
ADDR
ROW
t
COLUMN
m
AS
AH
ENABLE AUTO PRECHARGE
ROW
t
A10
DISABLE AUTO PRECHARGE
BANK
AS
AH
BA0, BA1
BANK
t
t
t
t
t
t
DS
DH
DS
DH
+ 2
DS
DH
DIN m
DIN
m
DIN m + 3
DQ
t
RCD
DON’T CARE
Notes: 1. For this example, BL = 4.
PDF: 09005aef81ca5de4/Source: 09005aef81ca5e03
MT48H32M16LF_1.fm - Rev. H 6/07 EN
Micron Technology, Inc., reserves the right to change products or specifications without notice.
©2005 Micron Technology, Inc. All rights reserved.
71