IS42S83200C
IS42S16160C
Current state
Precharging
Row activating
Write
recovering
Write
recovering with
auto precharge
Refresh
Mode register
accessing
/CS
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
/RAS
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
/CAS
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
/WE
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
/Address
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
OC,BA
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
OC,BA
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
OC,BA1=L
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
OC,BA1=L
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
OC,BA1=L
X
X
X
BA,CA,A10
BA,CA,A10
BA,RA
BA,A10
X
MODE
Command
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS/EMRS
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS / EMRS
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS / EMRS
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS / EMRS
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS / EMRS
DESL
NOP
BST
RD/RDA
WR/WRA
ACT
PRE/PALL
REF
MRS
Action
Nop ( Enter idle after tRP
Nop ( Enter idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop ( Enter idle after tRP
ILLEGAL
ILLEGAL
Nop ( Enter bank active after tRCD
Nop ( Enter bank active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop ( Enter row active after tDPL
Nop ( Enter row active after tDPL
Nop ( Enter row active after tDPL
Begin read
Begin new write
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop ( Enter precharge after tDPL
Nop ( Enter precharge after tDPL
Nop ( Enter precharge after tDPL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop ( Enter idle after tRC1
Nop ( Enter idle after tRC1
Nop ( Enter idle after tRC1
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop ( Enter idle after tRSC
Nop ( Enter idle after tRSC
Nop ( Enter idle after tRSC
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Notes
1
1
1
1
1
1,7
1
5
1
1
1,5
1
1
12
Integrated Silicon Solution, Inc. — www.issi.com
Rev.
C
04/02/09
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
