IS42/45R86400D/16320D/32160D, IS42/45S86400D/16320D/32160D
READ WITH AUTO PRECHARGE
T0
CLK
tCKS tCKH
CKE
tCMS tCMH
COMMAND ACTIVE
DQM/DQML
DQMH
A0-A9, A11, A12
A10
BA0, BA1
tAS tAH
ROW
tAS tAH
ROW
tAS tAH
BANK
DQ
T1
T2
T3
tCK
tCL tCH
NOP
READ
tCMS tCMH
NOP
COLUMN m(2)
ENABLE AUTO PRECHARGE
BANK
tAC
tLZ
tRCD
CAS Latency
tRAS
tRC
T4
NOP
tAC
DOUT m
tOH
T5
NOP
tAC
DOUT m+1
tOH
T6
NOP
tAC
DOUT m+2
tOH
T7
T8
NOP
ACTIVE
ROW
ROW
tHZ
DOUT m+3
tOH
tRP
BANK
DON'T CARE
UNDEFINED
Notes:
1) CAS latency = 2, Burst Length = 4
2) x8: A12 = "Don't Care"
x16: A11, A12 = "Don't Care"
x32: A9, A11, A12 = "Don't Care"
Integrated Silicon Solution, Inc. — www.issi.com
55
Rev. A
08/29/2012