®
IS42S81600A, IS42S16800A, IS42S32400A
IS42LS81600A, IS42LS16800A, IS42LS32400A
ISSI
READ to PRECHARGE
T0
T1
T2
T3
T4
T5
T6
T7
CLK
COMMAND
ADDRESS
DQ
t
RP
PRECHARGE
READ
NOP
NOP
NOP
NOP
NOP
ACTIVE
x = 1 cycle
BANK a,
COL n
BANK
(a or all)
BANK a,
ROW
DOUT
n
DOUT n+1
DOUT n+2
DOUT n+3
CAS Latency - 2
DON'T CARE
T0
T1
T2
T3
T4
T5
T6
T7
CLK
COMMAND
ADDRESS
DQ
t
RP
PRECHARGE
READ
NOP
NOP
NOP
NOP
x = 2 cycles
NOP
ACTIVE
BANK,
COL n
BANK,
COL b
BANK a,
ROW
DOUT
n
DOUT n+1
D
OUT n+2
DOUT n+3
CAS Latency - 3
DON'T CARE
Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774
ADVANCEDINFORMATION Rev. 00A
43
06/01/02