1HY5DS283222BF(P)
OPERATION COMMAND TRUTH TABLE - III
Current
State
/CS
/RAS
/CAS
/WE
Address
Command
Action
H
L
X
H
H
X
H
H
X
H
L
X
X
X
DSEL
NOP
BST
NOP - Enter ROW ACT after tRCD
NOP - Enter ROW ACT after tRCD
ILLEGAL4
ILLEGAL4,10
ILLEGAL4,10
ILLEGAL4,9,10
ILLEGAL4,10
ILLEGAL11
L
L
L
L
L
L
H
H
L
L
L
H
L
BA, CA, AP
BA, CA, AP
BA, RA
BA, AP
X
READ/READAP
WRITE/WRITEAP
ACT
ROW
ACTIVATING
H
H
L
H
L
L
PRE/PALL
L
H
AREF/SREF
ILLEGAL11
L
H
L
L
L
L
L
L
X
H
H
H
H
L
L
X
H
H
L
L
X
H
L
OPCODE
MRS
DSEL
X
X
NOP - Enter ROW ACT after tWR
NOP - Enter ROW ACT after tWR
NOP
ILLEGAL4
ILLEGAL
ILLEGAL
X
BST
H
L
BA, CA, AP
BA, CA, AP
BA, RA
READ/READAP
WRITE/WRITEAP
ACT
WRITE
RECOVERING
L
ILLEGAL4,10
ILLEGAL4,11
ILLEGAL11
H
H
L
L
L
L
H
L
L
BA, AP
X
PRE/PALL
H
AREF/SREF
ILLEGAL11
L
H
L
L
X
H
H
L
X
H
H
L
X
H
L
OPCODE
MRS
DSEL
NOP
BST
X
X
X
NOP - Enter precharge after tDPL
NOP - Enter precharge after tDPL
ILLEGAL4
ILLEGAL4,8,10
ILLEGAL4,10
ILLEGAL4,10
ILLEGAL4,11
ILLEGAL11
L
WRITE
RECOVERING
WITH
AUTOPRE-
CHARGE
L
L
L
L
L
H
H
L
L
L
H
L
BA, CA, AP
BA, CA, AP
BA, RA
BA, AP
X
READ/READAP
WRITE/WRITEAP
ACT
H
H
L
H
L
L
PRE/PALL
L
H
AREF/SREF
ILLEGAL11
L
H
L
L
X
H
H
L
X
H
H
L
X
H
L
OPCODE
MRS
DSEL
NOP
BST
X
X
X
NOP - Enter IDLE after tRC
NOP - Enter IDLE after tRC
REFRESHING
ILLEGAL11
ILLEGAL11
L
L
H
L
H
BA, CA, AP
READ/READAP
Rev. 1.0 / Feb. 2005
11
HYNIX [ HYNIX SEMICONDUCTOR ]
