®
IS42S32400B
ISSI
WRITE - DQM OPERATION
T0
T1
T2
T3
T4
T5
T6
T7
tCK
t
CL
t
CH
CLK
CKE
t
CKS CKH
t
tCMS
tCMH
COMMAND
ACTIVE
NOP
WRITE
NOP
NOP
NOP
NOP
NOP
t
CMS
t
CMH
DQM0 - DQM3
t
t
t
AS
t
AH
COLUMN m(2)
A0-A9, A11
A10
ROW
AS
tAH
ENABLE AUTO PRECHARGE
ROW
DISABLE AUTO PRECHARGE
AS
tAH
BA0, BA1
BANK
BANK
tDS
t
DH
t
DS
t
DH
tDS
tDH
D
IN
m
D
IN m+
2
D
IN m+3
DQ
tRCD
DON'T CARE
Notes:
1) Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
42
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
PRELIMINARY INFORMATION Rev. 00G
06/15/06