®
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
ISSI
WRITE TO READ
T0
T1
T2
T3
T4
T5
CLK
COMMAND
ADDRESS
DQ
WRITE
NOP
READ
NOP
NOP
NOP
BANK,
COL n
BANK,
COL b
DIN
n
DIN n+1
D
OUT
b
DOUT b+1
Latency = 2
DON'T CARE
WRITE TO PRECHARGE (TWR @ TCK ≥ 15NS)
T0
T1
T2
T3
T4
T5
T6
CLK
DQM
tRP
PRECHARGE
COMMAND
ADDRESS
DQ
WRITE
NOP
NOP
NOP
ACTIVE
NOP
BANK a,
COL n
BANK
(a or all)
BANK a,
ROW
tWR
DIN n+1
DIN n
DON'T CARE
46
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
ADVANCEDINFORMATION Rev. 00A
06/01/02