®
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
ISSI
INITIALIZE AND LOAD MODE REGISTER
T0
T1
Tn+1
tCH
To+1
tCL
Tp+1
Tp+2
Tp+3
tCK
CLK
CKE
tCKS tCKH
tCMH tCMS
tCMH tCMS
PRECHARGE
tCMH tCMS
AUTO
AUTO
Load MODE
REGISTER
COMMAND
NOP
NOP
NOP
NOP
ACTIVE
REFRESH
REFRESH
DQM/
DQML, DQMH
tAS tAH
A0-A9, A11
A10
ROW
ROW
BANK
CODE
tAS tAH
ALL BANKS
CODE
SINGLE BANK
ALL BANKS
BA0, BA1
DQ
T
tRP
tRFC
tRFC
tMRD
Power-up: VCC
and CLK stable all banks
Precharge AUTO REFRESH
AUTO REFRESH
Program MODE REGISTER(2, 3, 4)
DON'T CARE
T = 100µs Min.
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
ADVANCEDINFORMATION Rev. 00A
25
06/01/02