®
IS42S32400B
ISSI
READ - DQM OPERATION
T0
T1
T2
T3
T4
T5
T6
T7
T8
tCK
tCL
tCH
CLK
CKE
tCKS tCKH
tCMS tCMH
COMMAND
ACTIVE
NOP
READ
NOP
NOP
NOP
NOP
NOP
NOP
t
CMS
t
CMH
DQM0 - DQM3
t
t
t
AS
tAH
COLUMN m(2)
A0-A9, A11
A10
ROW
AS
tAH
ENABLE AUTO PRECHARGE
ROW
DISABLE AUTO PRECHARGE
AS
tAH
BA0, BA1
BANK
BANK
tOH
tOH
tOH
tAC
tAC
D
OUT
m
D
OUT m+
2
D
OUT m+
3
DQ
tLZ
tLZ
tHZ
tAC
tHZ
DON'T CARE
UNDEFINED
tRCD
CAS Latency
Notes:
1) CAS latency = 2, Burst Length = 4
2) X32: A8, A9, A11 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
35
PRELIMINARYINFORMATION Rev. 00G
06/15/06