®
IS42S32200
ISSI
READ - DQM OPERATION
T0
T1
T2
T3
T4
T5
T6
T7
T8
tCK
t
CL
tCH
CLK
CKE
tCKS tCKH
t
CMS tCMH
ACTIVE
NOP
READ
NOP
NOP
NOP
NOP
NOP
NOP
COMMAND
tCMS
t
CMH
DQM0-DQM3
t
t
t
AS
tAH
A0-A9
A10
ROW
COLUMN m
AS
t
AH
ENABLE AUTO PRECHARGE
ROW
DISABLE AUTO PRECHARGE
AS
t
AH
BA0, BA1
BANK
BANK
tOH
t
OH
tOH
t
AC
tAC
DQ
D
OUT
m
D
OUT m+
2
D
OUT m+
3
t
LZ
tLZ
t
HZ
tAC
t
HZ
DON'T CARE
UNDEFINED
t
RCD
CAS Latency
CAS Latency = 2, Burst Length = 4
Integrated Silicon Solution, Inc. — 1-800-379-4774
47
ADVANCE INFORMATION Rev. 00B
08/14/03