ic42s16400 ETC-unknow, ic42s16400 Datasheet - Page 12

• Manufacturer Part Number: ic42s16400
• Description: 1m X 16bit X 4 Banks 64-mbit Sdram
• Manufacturer: ETC-unknow

IC42S16400
OPERATION COMMAND TABLE
12
Current State Command
Write with auto
precharge
Precharging
Row activating
Write
recovering
DESL
NOP
BST
READ / READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Illegal
Operation
Continue burst to end -> write recovering with auto precharge
Continue burst to end -> write recovering with auto precharge
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
Nop -> Enter idle after t
Nop -> Enter idle after t
Nop -> Enter idle after t
Illegal
Illegal
Illegal
Nop -> Enter idle after t
Illegal
Illegal
Nop - > Enter row active after t
Nop - > Enter row active after t
Nop - > Enter row active after t
Illegal
Illegal
Illegal
Illegal
Illegal
Illegal
Nop -> Enter row active after t
Nop -> Enter row active after t
Nop -> Enter row active after t
Start read, Determine AP
New write, Determine AP
Illegal
Illegal
Illegal
Illegal
(11)
(11)
(3, 11)
(3, 11)
(3)
(3)
(3)
(3)
(3)
(3, 9)
(3)
(3)
(3)
(continue)
RP
RP
RP
RP
(8)
DPL
DPL
DPL
RCD
RCD
RCD
CS
CS
CS
CS
CS
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
Integrated Circuit Solution Inc.
RAS
RAS
RAS
RAS
RAS
X
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
X
L
L
L
L
X
L
L
L
L
X
L
L
L
L
CAS
CAS
CAS
CAS
CAS
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
WE
WE
WE
WE
WE
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
DR034-0E 12/02/2003
Address
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code
X
X
X
BA, CA, A10
BA, CA, A10
BR, RA
BA, A10
X
Op-Code